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                    Closing price on 12/23/2015
                 
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             | 
         
         
 
    
        
                      
                
                    | Open | 
                    17.30 | 
                 
                
                    | High | 
                    17.30 | 
                 
                
                    | Low | 
                    17.10 | 
                     
                
                    | Volume | 
                    135,500 | 
                                 
                
                    | Split-adjusted Price | 
                    15.40 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
IVS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/23/2015
             | 
            
                -0.10 / -0.58%
             |             
            
                17.30
             |           
            
                17.30
             |               
            
                17.10
             |                           
            
                17.20
             | 
            
                17.20
             |                     
            
                15.40
             |                                 
            
                135,500
             |            
            
                 
             |                                       
         
    
        
            | 
                12/22/2015
             | 
            
                0.00 / 0.00%
             |             
            
                17.30
             |           
            
                17.40
             |               
            
                17.20
             |                           
            
                17.30
             | 
            
                17.33
             |                     
            
                15.49
             |                                 
            
                133,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/21/2015
             | 
            
                -0.10 / -0.57%
             |             
            
                17.40
             |           
            
                17.50
             |               
            
                17.20
             |                           
            
                17.30
             | 
            
                17.39
             |                     
            
                15.49
             |                                 
            
                116,800
             |            
            
                 
             |                                       
         
    
        
            | 
                12/18/2015
             | 
            
                -0.20 / -1.14%
             |             
            
                17.60
             |           
            
                17.60
             |               
            
                17.30
             |                           
            
                17.40
             | 
            
                17.46
             |                     
            
                15.58
             |                                 
            
                442,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/17/2015
             | 
            
                0.00 / 0.00%
             |             
            
                17.60
             |           
            
                17.70
             |               
            
                17.50
             |                           
            
                17.60
             | 
            
                17.60
             |                     
            
                15.75
             |                                 
            
                185,200
             |            
            
                 
             |                                       
         
    
        
            | 
                12/16/2015
             | 
            
                +0.20 / +1.15%
             |             
            
                17.40
             |           
            
                17.60
             |               
            
                17.40
             |                           
            
                17.60
             | 
            
                17.56
             |                     
            
                15.75
             |                                 
            
                869,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/15/2015
             | 
            
                +0.30 / +1.75%
             |             
            
                17.10
             |           
            
                17.40
             |               
            
                17.10
             |                           
            
                17.40
             | 
            
                17.21
             |                     
            
                15.58
             |                                 
            
                168,000
             |            
            
                 
             |                                       
         
    
        
            | 
                12/14/2015
             | 
            
                0.00 / 0.00%
             |             
            
                17.10
             |           
            
                17.20
             |               
            
                16.90
             |                           
            
                17.10
             | 
            
                17.06
             |                     
            
                15.31
             |                                 
            
                151,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/11/2015
             | 
            
                +0.10 / +0.59%
             |             
            
                17.00
             |           
            
                17.10
             |               
            
                16.90
             |                           
            
                17.10
             | 
            
                16.97
             |                     
            
                15.31
             |                                 
            
                141,900
             |            
            
                 
             |                                       
         
    
        
            | 
                12/10/2015
             | 
            
                -0.10 / -0.58%
             |             
            
                17.00
             |           
            
                17.10
             |               
            
                16.80
             |                           
            
                17.00
             | 
            
                17.02
             |                     
            
                15.22
             |                                 
            
                130,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/9/2015
             | 
            
                -0.20 / -1.16%
             |             
            
                17.30
             |           
            
                17.30
             |               
            
                17.10
             |                           
            
                17.10
             | 
            
                17.18
             |                     
            
                15.31
             |                                 
            
                120,400
             |            
            
                 
             |                                       
         
    
        
            | 
                12/8/2015
             | 
            
                +0.10 / +0.58%
             |             
            
                17.20
             |           
            
                17.40
             |               
            
                17.00
             |                           
            
                17.30
             | 
            
                17.12
             |                     
            
                15.49
             |                                 
            
                123,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/7/2015
             | 
            
                -0.10 / -0.58%
             |             
            
                17.30
             |           
            
                17.40
             |               
            
                17.20
             |                           
            
                17.20
             | 
            
                17.30
             |                     
            
                15.40
             |                                 
            
                118,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/4/2015
             | 
            
                -0.10 / -0.57%
             |             
            
                17.40
             |           
            
                17.40
             |               
            
                17.20
             |                           
            
                17.30
             | 
            
                17.33
             |                     
            
                15.49
             |                                 
            
                109,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/3/2015
             | 
            
                0.00 / 0.00%
             |             
            
                17.40
             |           
            
                18.40
             |               
            
                17.20
             |                           
            
                17.40
             | 
            
                17.47
             |                     
            
                15.58
             |                                 
            
                752,100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/2/2015
             | 
            
                +0.20 / +1.16%
             |             
            
                17.20
             |           
            
                17.40
             |               
            
                17.20
             |                           
            
                17.40
             | 
            
                17.27
             |                     
            
                15.58
             |                                 
            
                117,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/1/2015
             | 
            
                0.00 / 0.00%
             |             
            
                17.20
             |           
            
                17.40
             |               
            
                16.90
             |                           
            
                17.20
             | 
            
                17.19
             |                     
            
                15.40
             |                                 
            
                122,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/30/2015
             | 
            
                -0.40 / -2.27%
             |             
            
                17.60
             |           
            
                17.70
             |               
            
                17.10
             |                           
            
                17.20
             | 
            
                17.60
             |                     
            
                15.40
             |                                 
            
                129,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/27/2015
             | 
            
                -0.40 / -2.22%
             |             
            
                18.00
             |           
            
                18.00
             |               
            
                17.60
             |                           
            
                17.60
             | 
            
                18.00
             |                     
            
                15.75
             |                                 
            
                230,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/26/2015
             | 
            
                -0.20 / -1.10%
             |             
            
                18.20
             |           
            
                18.30
             |               
            
                18.00
             |                           
            
                18.00
             | 
            
                18.20
             |                     
            
                16.11
             |                                 
            
                109,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/25/2015
             | 
            
                0.00 / 0.00%
             |             
            
                18.20
             |           
            
                18.30
             |               
            
                18.00
             |                           
            
                18.20
             | 
            
                18.14
             |                     
            
                16.29
             |                                 
            
                623,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/24/2015
             | 
            
                -0.40 / -2.15%
             |             
            
                18.60
             |           
            
                18.70
             |               
            
                18.20
             |                           
            
                18.20
             | 
            
                18.42
             |                     
            
                16.29
             |                                 
            
                397,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2015
             | 
            
                -0.20 / -1.06%
             |             
            
                18.80
             |           
            
                18.90
             |               
            
                17.00
             |                           
            
                18.60
             | 
            
                18.69
             |                     
            
                16.65
             |                                 
            
                807,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/20/2015
             | 
            
                +0.10 / +0.53%
             |             
            
                18.70
             |           
            
                18.90
             |               
            
                16.90
             |                           
            
                18.80
             | 
            
                18.72
             |                     
            
                16.83
             |                                 
            
                110,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/19/2015
             | 
            
                0.00 / 0.00%
             |             
            
                18.70
             |           
            
                18.70
             |               
            
                18.50
             |                           
            
                18.70
             | 
            
                18.62
             |                     
            
                16.74
             |                                 
            
                134,800
             |            
            
                 
             |                                       
         
    
        
            | 
                11/18/2015
             | 
            
                -0.10 / -0.53%
             |             
            
                18.80
             |           
            
                18.80
             |               
            
                18.50
             |                           
            
                18.70
             | 
            
                18.65
             |                     
            
                16.74
             |                                 
            
                565,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/17/2015
             | 
            
                -0.30 / -1.57%
             |             
            
                19.10
             |           
            
                19.40
             |               
            
                18.80
             |                           
            
                18.80
             | 
            
                19.15
             |                     
            
                16.83
             |                                 
            
                139,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2015
             | 
            
                -0.40 / -2.05%
             |             
            
                19.50
             |           
            
                19.50
             |               
            
                18.90
             |                           
            
                19.10
             | 
            
                19.32
             |                     
            
                17.10
             |                                 
            
                148,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/13/2015
             | 
            
                +0.10 / +0.52%
             |             
            
                19.40
             |           
            
                19.50
             |               
            
                19.30
             |                           
            
                19.50
             | 
            
                19.41
             |                     
            
                17.45
             |                                 
            
                147,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/12/2015
             | 
            
                0.00 / 0.00%
             |             
            
                19.40
             |           
            
                19.50
             |               
            
                19.00
             |                           
            
                19.40
             | 
            
                19.29
             |                     
            
                17.37
             |                                 
            
                151,300
             |  
            
                 
             |                                                              
             
    
         
    
    
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						| 
 Market Update 
        
            
                Last updated at 3:10:02 PM
                                                                
            
            
            
            
        
        
     
 
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