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                    Closing price on 5/5/2015
                 
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             | 
         
         
 
    
        
                      
                
                    | Open | 
                    13.70 | 
                 
                
                    | High | 
                    14.10 | 
                 
                
                    | Low | 
                    13.30 | 
                     
                
                    | Volume | 
                    400,700 | 
                                 
                
                    | Split-adjusted Price | 
                    12.02 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
IVS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/5/2015
             | 
            
                +0.30 / +2.19%
             |             
            
                13.70
             |           
            
                14.10
             |               
            
                13.30
             |                           
            
                14.00
             | 
            
                13.65
             |                     
            
                12.02
             |                                 
            
                400,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2015
             | 
            
                -1.30 / -8.67%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                13.70
             |                           
            
                13.70
             | 
            
                14.54
             |                     
            
                11.76
             |                                 
            
                325,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2015
             | 
            
                +0.30 / +2.04%
             |             
            
                14.70
             |           
            
                15.00
             |               
            
                13.30
             |                           
            
                15.00
             | 
            
                14.83
             |                     
            
                12.88
             |                                 
            
                922,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/24/2015
             | 
            
                +1.00 / +7.30%
             |             
            
                13.70
             |           
            
                15.00
             |               
            
                13.70
             |                           
            
                14.70
             | 
            
                14.13
             |                     
            
                12.62
             |                                 
            
                990,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/23/2015
             | 
            
                +0.20 / +1.48%
             |             
            
                13.50
             |           
            
                13.90
             |               
            
                13.40
             |                           
            
                13.70
             | 
            
                13.71
             |                     
            
                11.76
             |                                 
            
                403,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2015
             | 
            
                +0.10 / +0.75%
             |             
            
                13.40
             |           
            
                13.70
             |               
            
                13.30
             |                           
            
                13.50
             | 
            
                13.47
             |                     
            
                11.59
             |                                 
            
                343,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/21/2015
             | 
            
                0.00 / 0.00%
             |             
            
                13.40
             |           
            
                13.50
             |               
            
                13.30
             |                           
            
                13.40
             | 
            
                13.40
             |                     
            
                11.51
             |                                 
            
                558,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2015
             | 
            
                0.00 / 0.00%
             |             
            
                13.40
             |           
            
                14.70
             |               
            
                13.10
             |                           
            
                13.40
             | 
            
                13.41
             |                     
            
                11.51
             |                                 
            
                595,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/17/2015
             | 
            
                0.00 / 0.00%
             |             
            
                13.40
             |           
            
                13.50
             |               
            
                13.30
             |                           
            
                13.40
             | 
            
                13.39
             |                     
            
                11.51
             |                                 
            
                810,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2015
             | 
            
                +0.10 / +0.75%
             |             
            
                13.30
             |           
            
                13.50
             |               
            
                13.30
             |                           
            
                13.40
             | 
            
                13.34
             |                     
            
                11.51
             |                                 
            
                564,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2015
             | 
            
                +0.10 / +0.76%
             |             
            
                13.20
             |           
            
                13.30
             |               
            
                13.00
             |                           
            
                13.30
             | 
            
                13.18
             |                     
            
                11.42
             |                                 
            
                570,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2015
             | 
            
                -0.10 / -0.75%
             |             
            
                13.30
             |           
            
                13.40
             |               
            
                13.10
             |                           
            
                13.20
             | 
            
                13.25
             |                     
            
                11.33
             |                                 
            
                275,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2015
             | 
            
                -0.10 / -0.75%
             |             
            
                13.40
             |           
            
                13.50
             |               
            
                13.30
             |                           
            
                13.30
             | 
            
                13.39
             |                     
            
                11.42
             |                                 
            
                758,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/10/2015
             | 
            
                +0.30 / +2.29%
             |             
            
                13.10
             |           
            
                13.50
             |               
            
                13.10
             |                           
            
                13.40
             | 
            
                13.26
             |                     
            
                11.51
             |                                 
            
                340,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2015
             | 
            
                +0.10 / +0.77%
             |             
            
                13.00
             |           
            
                13.10
             |               
            
                12.70
             |                           
            
                13.10
             | 
            
                12.89
             |                     
            
                11.25
             |                                 
            
                409,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2015
             | 
            
                -0.30 / -2.26%
             |             
            
                13.30
             |           
            
                13.50
             |               
            
                13.00
             |                           
            
                13.00
             | 
            
                13.25
             |                     
            
                11.16
             |                                 
            
                298,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2015
             | 
            
                +0.20 / +1.53%
             |             
            
                13.10
             |           
            
                13.30
             |               
            
                13.00
             |                           
            
                13.30
             | 
            
                13.14
             |                     
            
                11.42
             |                                 
            
                284,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/6/2015
             | 
            
                -0.50 / -3.68%
             |             
            
                13.60
             |           
            
                13.60
             |               
            
                13.10
             |                           
            
                13.10
             | 
            
                13.34
             |                     
            
                11.25
             |                                 
            
                232,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2015
             | 
            
                0.00 / 0.00%
             |             
            
                13.60
             |           
            
                13.70
             |               
            
                13.50
             |                           
            
                13.60
             | 
            
                13.56
             |                     
            
                11.68
             |                                 
            
                502,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2015
             | 
            
                +0.20 / +1.49%
             |             
            
                13.40
             |           
            
                13.60
             |               
            
                13.40
             |                           
            
                13.60
             | 
            
                13.48
             |                     
            
                11.68
             |                                 
            
                229,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2015
             | 
            
                -0.10 / -0.74%
             |             
            
                13.50
             |           
            
                13.60
             |               
            
                13.30
             |                           
            
                13.40
             | 
            
                13.46
             |                     
            
                11.51
             |                                 
            
                348,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2015
             | 
            
                +0.10 / +0.75%
             |             
            
                13.40
             |           
            
                13.50
             |               
            
                13.20
             |                           
            
                13.50
             | 
            
                13.33
             |                     
            
                11.59
             |                                 
            
                386,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2015
             | 
            
                0.00 / 0.00%
             |             
            
                13.50
             |           
            
                13.50
             |               
            
                13.30
             |                           
            
                13.40
             | 
            
                13.37
             |                     
            
                11.51
             |                                 
            
                291,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2015
             | 
            
                -0.20 / -1.47%
             |             
            
                13.60
             |           
            
                13.70
             |               
            
                13.30
             |                           
            
                13.40
             | 
            
                13.52
             |                     
            
                11.51
             |                                 
            
                341,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2015
             | 
            
                -0.40 / -2.86%
             |             
            
                13.90
             |           
            
                13.90
             |               
            
                12.70
             |                           
            
                13.60
             | 
            
                13.65
             |                     
            
                11.68
             |                                 
            
                605,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2015
             | 
            
                -0.20 / -1.41%
             |             
            
                14.20
             |           
            
                14.20
             |               
            
                13.90
             |                           
            
                14.00
             | 
            
                14.15
             |                     
            
                12.02
             |                                 
            
                295,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/24/2015
             | 
            
                -0.20 / -1.39%
             |             
            
                14.40
             |           
            
                14.50
             |               
            
                14.10
             |                           
            
                14.20
             | 
            
                14.31
             |                     
            
                12.19
             |                                 
            
                536,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/23/2015
             | 
            
                -0.30 / -2.04%
             |             
            
                14.70
             |           
            
                14.70
             |               
            
                13.30
             |                           
            
                14.40
             | 
            
                14.14
             |                     
            
                12.37
             |                                 
            
                813,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2015
             | 
            
                -0.30 / -2.00%
             |             
            
                15.00
             |           
            
                15.10
             |               
            
                14.70
             |                           
            
                14.70
             | 
            
                14.89
             |                     
            
                12.62
             |                                 
            
                971,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2015
             | 
            
                -0.20 / -1.32%
             |             
            
                15.20
             |           
            
                15.40
             |               
            
                15.00
             |                           
            
                15.00
             | 
            
                15.21
             |                     
            
                12.88
             |                                 
            
                636,600
             |  
            
                 
             |                                                              
             
    
         
    
    
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						| 
 Market Update 
        
            
                Last updated at 3:10:02 PM
                                                                
            
            
            
            
        
        
     
 
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