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                    Closing price on 6/10/2015
                 
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                    | Open | 
                    16.60 | 
                 
                
                    | High | 
                    16.70 | 
                 
                
                    | Low | 
                    16.40 | 
                     
                
                    | Volume | 
                    254,400 | 
                                 
                
                    | Split-adjusted Price | 
                    14.08 | 
                 
             
            
            
                
             
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         | 
     
 
IVS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/10/2015
             | 
            
                -0.20 / -1.20%
             |             
            
                16.60
             |           
            
                16.70
             |               
            
                16.40
             |                           
            
                16.40
             | 
            
                16.54
             |                     
            
                14.08
             |                                 
            
                254,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/9/2015
             | 
            
                -0.60 / -3.49%
             |             
            
                17.10
             |           
            
                17.30
             |               
            
                16.50
             |                           
            
                16.60
             | 
            
                16.89
             |                     
            
                14.25
             |                                 
            
                306,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/8/2015
             | 
            
                0.00 / 0.00%
             |             
            
                17.20
             |           
            
                17.50
             |               
            
                17.20
             |                           
            
                17.20
             | 
            
                17.24
             |                     
            
                14.77
             |                                 
            
                407,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2015
             | 
            
                +0.90 / +5.52%
             |             
            
                16.30
             |           
            
                17.40
             |               
            
                16.20
             |                           
            
                17.20
             | 
            
                16.81
             |                     
            
                14.77
             |                                 
            
                491,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2015
             | 
            
                -0.30 / -1.81%
             |             
            
                16.60
             |           
            
                16.90
             |               
            
                16.30
             |                           
            
                16.30
             | 
            
                16.68
             |                     
            
                14.00
             |                                 
            
                343,800
             |            
            
                 
             |                                       
         
    
        
            | 
                6/3/2015
             | 
            
                +0.10 / +0.61%
             |             
            
                16.50
             |           
            
                16.80
             |               
            
                16.50
             |                           
            
                16.60
             | 
            
                16.63
             |                     
            
                14.25
             |                                 
            
                269,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/2/2015
             | 
            
                -0.10 / -0.60%
             |             
            
                16.50
             |           
            
                17.20
             |               
            
                15.90
             |                           
            
                16.50
             | 
            
                16.60
             |                     
            
                14.17
             |                                 
            
                375,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/1/2015
             | 
            
                +0.60 / +3.75%
             |             
            
                16.00
             |           
            
                16.90
             |               
            
                15.70
             |                           
            
                16.60
             | 
            
                16.21
             |                     
            
                14.25
             |                                 
            
                487,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/29/2015
             | 
            
                +0.50 / +3.23%
             |             
            
                15.20
             |           
            
                16.50
             |               
            
                14.80
             |                           
            
                16.00
             | 
            
                15.61
             |                     
            
                13.74
             |                                 
            
                330,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2015
             | 
            
                +1.00 / +6.90%
             |             
            
                14.40
             |           
            
                15.90
             |               
            
                14.20
             |                           
            
                15.50
             | 
            
                15.04
             |                     
            
                13.31
             |                                 
            
                550,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/27/2015
             | 
            
                -0.20 / -1.36%
             |             
            
                14.70
             |           
            
                14.70
             |               
            
                14.30
             |                           
            
                14.50
             | 
            
                14.54
             |                     
            
                12.45
             |                                 
            
                419,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/26/2015
             | 
            
                -0.20 / -1.34%
             |             
            
                14.90
             |           
            
                15.00
             |               
            
                14.70
             |                           
            
                14.70
             | 
            
                14.92
             |                     
            
                12.62
             |                                 
            
                242,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/25/2015
             | 
            
                -0.10 / -0.67%
             |             
            
                15.00
             |           
            
                15.10
             |               
            
                14.80
             |                           
            
                14.90
             | 
            
                14.93
             |                     
            
                12.79
             |                                 
            
                257,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2015
             | 
            
                0.00 / 0.00%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                14.50
             |                           
            
                15.00
             | 
            
                14.66
             |                     
            
                12.88
             |                                 
            
                284,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2015
             | 
            
                -0.30 / -1.96%
             |             
            
                15.30
             |           
            
                15.40
             |               
            
                15.00
             |                           
            
                15.00
             | 
            
                15.23
             |                     
            
                12.88
             |                                 
            
                219,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/20/2015
             | 
            
                +0.80 / +5.52%
             |             
            
                14.50
             |           
            
                15.40
             |               
            
                14.50
             |                           
            
                15.30
             | 
            
                14.76
             |                     
            
                13.14
             |                                 
            
                227,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/19/2015
             | 
            
                +1.00 / +7.41%
             |             
            
                13.50
             |           
            
                14.50
             |               
            
                13.50
             |                           
            
                14.50
             | 
            
                13.77
             |                     
            
                12.45
             |                                 
            
                303,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2015
             | 
            
                -0.80 / -5.59%
             |             
            
                14.20
             |           
            
                14.20
             |               
            
                13.50
             |                           
            
                13.50
             | 
            
                13.80
             |                     
            
                11.59
             |                                 
            
                216,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2015
             | 
            
                -0.50 / -3.38%
             |             
            
                14.80
             |           
            
                14.80
             |               
            
                13.50
             |                           
            
                14.30
             | 
            
                14.04
             |                     
            
                12.28
             |                                 
            
                218,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2015
             | 
            
                0.00 / 0.00%
             |             
            
                14.80
             |           
            
                14.90
             |               
            
                14.60
             |                           
            
                14.80
             | 
            
                14.78
             |                     
            
                12.71
             |                                 
            
                235,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2015
             | 
            
                0.00 / 0.00%
             |             
            
                14.80
             |           
            
                14.90
             |               
            
                14.70
             |                           
            
                14.80
             | 
            
                14.85
             |                     
            
                12.71
             |                                 
            
                289,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/12/2015
             | 
            
                0.00 / 0.00%
             |             
            
                14.80
             |           
            
                14.90
             |               
            
                14.50
             |                           
            
                14.80
             | 
            
                14.74
             |                     
            
                12.71
             |                                 
            
                245,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2015
             | 
            
                +0.10 / +0.68%
             |             
            
                14.70
             |           
            
                15.00
             |               
            
                14.70
             |                           
            
                14.80
             | 
            
                14.81
             |                     
            
                12.71
             |                                 
            
                280,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2015
             | 
            
                -0.30 / -2.00%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                14.70
             |                           
            
                14.70
             | 
            
                14.88
             |                     
            
                12.62
             |                                 
            
                264,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2015
             | 
            
                +0.60 / +4.17%
             |             
            
                14.40
             |           
            
                15.00
             |               
            
                14.40
             |                           
            
                15.00
             | 
            
                14.75
             |                     
            
                12.88
             |                                 
            
                279,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2015
             | 
            
                +0.40 / +2.86%
             |             
            
                14.00
             |           
            
                14.40
             |               
            
                14.00
             |                           
            
                14.40
             | 
            
                14.18
             |                     
            
                12.37
             |                                 
            
                654,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
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						| 
 Market Update 
        
            
                Last updated at 3:10:02 PM
                                                                
            
            
            
            
        
        
     
 
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