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                    Closing price on 11/18/2015
                 
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                    | Open | 
                    18.80 | 
                 
                
                    | High | 
                    18.80 | 
                 
                
                    | Low | 
                    18.50 | 
                     
                
                    | Volume | 
                    565,800 | 
                                 
                
                    | Split-adjusted Price | 
                    16.74 | 
                 
             
            
            
                
             
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IVS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |            
            
                 
             |                                       
         
    
        
            | 
                11/11/2015
             | 
            
                -0.10 / -0.51%
             |             
            
                19.50
             |           
            
                19.70
             |               
            
                19.10
             |                           
            
                19.40
             | 
            
                19.35
             |                     
            
                17.37
             |                                 
            
                136,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/10/2015
             | 
            
                -0.10 / -0.51%
             |             
            
                19.70
             |           
            
                19.80
             |               
            
                19.40
             |                           
            
                19.50
             | 
            
                19.55
             |                     
            
                17.45
             |                                 
            
                514,800
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2015
             | 
            
                +0.30 / +1.55%
             |             
            
                19.30
             |           
            
                19.80
             |               
            
                19.30
             |                           
            
                19.60
             | 
            
                19.57
             |                     
            
                17.54
             |                                 
            
                148,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/6/2015
             | 
            
                0.00 / 0.00%
             |             
            
                19.30
             |           
            
                20.00
             |               
            
                19.00
             |                           
            
                19.30
             | 
            
                19.49
             |                     
            
                17.28
             |                                 
            
                152,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/5/2015
             | 
            
                0.00 / 0.00%
             |             
            
                19.30
             |           
            
                19.50
             |               
            
                19.00
             |                           
            
                19.30
             | 
            
                19.21
             |                     
            
                17.28
             |                                 
            
                132,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/4/2015
             | 
            
                0.00 / 0.00%
             |             
            
                19.30
             |           
            
                19.60
             |               
            
                19.10
             |                           
            
                19.30
             | 
            
                19.26
             |                     
            
                17.28
             |                                 
            
                182,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/3/2015
             | 
            
                +0.10 / +0.52%
             |             
            
                19.20
             |           
            
                19.50
             |               
            
                18.80
             |                           
            
                19.30
             | 
            
                19.18
             |                     
            
                17.28
             |                                 
            
                155,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/2/2015
             | 
            
                -0.30 / -1.54%
             |             
            
                19.50
             |           
            
                20.10
             |               
            
                19.10
             |                           
            
                19.20
             | 
            
                19.62
             |                     
            
                17.19
             |                                 
            
                155,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/30/2015
             | 
            
                -0.80 / -3.94%
             |             
            
                20.30
             |           
            
                20.40
             |               
            
                19.00
             |                           
            
                19.50
             | 
            
                19.46
             |                     
            
                17.45
             |                                 
            
                131,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/29/2015
             | 
            
                +0.70 / +3.57%
             |             
            
                19.60
             |           
            
                20.90
             |               
            
                19.60
             |                           
            
                20.30
             | 
            
                20.23
             |                     
            
                18.17
             |                                 
            
                247,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/28/2015
             | 
            
                +0.30 / +1.55%
             |             
            
                19.20
             |           
            
                21.20
             |               
            
                18.30
             |                           
            
                19.60
             | 
            
                20.04
             |                     
            
                17.54
             |                                 
            
                406,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/27/2015
             | 
            
                -0.60 / -3.02%
             |             
            
                19.70
             |           
            
                20.00
             |               
            
                18.50
             |                           
            
                19.30
             | 
            
                19.31
             |                     
            
                17.28
             |                                 
            
                548,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/26/2015
             | 
            
                +1.30 / +6.99%
             |             
            
                18.60
             |           
            
                20.40
             |               
            
                18.00
             |                           
            
                19.90
             | 
            
                19.21
             |                     
            
                17.81
             |                                 
            
                649,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/23/2015
             | 
            
                +1.50 / +8.77%
             |             
            
                17.10
             |           
            
                18.80
             |               
            
                16.90
             |                           
            
                18.60
             | 
            
                17.78
             |                     
            
                16.65
             |                                 
            
                341,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/22/2015
             | 
            
                +0.20 / +1.18%
             |             
            
                16.90
             |           
            
                17.10
             |               
            
                16.80
             |                           
            
                17.10
             | 
            
                16.97
             |                     
            
                15.31
             |                                 
            
                227,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/21/2015
             | 
            
                0.00 / 0.00%
             |             
            
                16.90
             |           
            
                17.00
             |               
            
                16.80
             |                           
            
                16.90
             | 
            
                16.86
             |                     
            
                15.13
             |                                 
            
                227,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/20/2015
             | 
            
                -0.10 / -0.59%
             |             
            
                17.00
             |           
            
                17.00
             |               
            
                16.70
             |                           
            
                16.90
             | 
            
                16.90
             |                     
            
                15.13
             |                                 
            
                251,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/19/2015
             | 
            
                0.00 / 0.00%
             |             
            
                17.00
             |           
            
                17.00
             |               
            
                16.80
             |                           
            
                17.00
             | 
            
                16.89
             |                     
            
                15.22
             |                                 
            
                929,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/16/2015
             | 
            
                +0.10 / +0.59%
             |             
            
                16.90
             |           
            
                17.00
             |               
            
                16.80
             |                           
            
                17.00
             | 
            
                16.90
             |                     
            
                15.22
             |                                 
            
                867,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/15/2015
             | 
            
                0.00 / 0.00%
             |             
            
                16.90
             |           
            
                17.00
             |               
            
                16.70
             |                           
            
                16.90
             | 
            
                16.86
             |                     
            
                15.13
             |                                 
            
                275,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/14/2015
             | 
            
                0.00 / 0.00%
             |             
            
                16.90
             |           
            
                16.90
             |               
            
                16.70
             |                           
            
                16.90
             | 
            
                16.81
             |                     
            
                15.13
             |                                 
            
                251,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/13/2015
             | 
            
                +0.10 / +0.60%
             |             
            
                16.80
             |           
            
                16.90
             |               
            
                16.60
             |                           
            
                16.90
             | 
            
                16.80
             |                     
            
                15.13
             |                                 
            
                271,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/12/2015
             | 
            
                0.00 / 0.00%
             |             
            
                16.80
             |           
            
                16.90
             |               
            
                16.60
             |                           
            
                16.80
             | 
            
                16.78
             |                     
            
                15.04
             |                                 
            
                288,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/9/2015
             | 
            
                0.00 / 0.00%
             |             
            
                16.80
             |           
            
                16.90
             |               
            
                16.70
             |                           
            
                16.80
             | 
            
                16.81
             |                     
            
                15.04
             |                                 
            
                222,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/8/2015
             | 
            
                0.00 / 0.00%
             |             
            
                16.80
             |           
            
                16.90
             |               
            
                16.60
             |                           
            
                16.80
             | 
            
                16.77
             |                     
            
                15.04
             |                                 
            
                216,800
             |  
            
                 
             |                                                              
             
    
         
    
    
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 Market Update 
        
            
                Last updated at 3:10:02 PM
                                                                
            
            
            
            
        
        
     
 
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