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                    Closing price on 11/10/2010
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                    | Open | 16.60 |  
                    | High | 16.80 |  
                    | Low | 16.40 |  
                    | Volume | 226,200 |  
                    | Split-adjusted Price | 4.12 |  
                
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 |  PET Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 11/10/2010 | 0.00 / 0.00% | 16.60 | 16.80 | 16.40 | 16.60 | 16.60 | 4.12 | 226,200 |   |  
            | 11/9/2010 | -0.40 / -2.35% | 17.00 | 17.00 | 16.60 | 16.60 | 16.60 | 4.12 | 232,260 |   |  			
            | 11/8/2010 | -0.50 / -2.86% | 17.50 | 17.50 | 17.00 | 17.00 | 17.00 | 4.22 | 162,390 |   |  
            | 11/5/2010 | +0.70 / +4.17% | 17.40 | 17.50 | 17.00 | 17.50 | 17.50 | 4.35 | 381,500 |   |  			
            | 11/4/2010 | 0.00 / 0.00% | 16.80 | 16.90 | 16.70 | 16.80 | 16.80 | 4.17 | 282,790 |   |  
            | 11/3/2010 | -0.20 / -1.18% | 16.80 | 17.00 | 16.70 | 16.80 | 16.80 | 4.17 | 215,050 |   |  			
            | 11/2/2010 | -0.20 / -1.16% | 17.20 | 17.20 | 16.80 | 17.00 | 17.00 | 4.22 | 436,670 |   |  
            | 11/1/2010 | -0.20 / -1.15% | 17.40 | 17.50 | 17.20 | 17.20 | 17.20 | 4.27 | 198,420 |   |  			
            | 10/29/2010 | +0.40 / +2.35% | 17.20 | 17.50 | 17.10 | 17.40 | 17.40 | 4.32 | 294,460 |   |  
            | 10/28/2010 | 0.00 / 0.00% | 17.00 | 17.20 | 16.80 | 17.00 | 17.00 | 4.22 | 162,460 |   |  			
            | 10/27/2010 | -0.40 / -2.30% | 17.40 | 17.50 | 17.00 | 17.00 | 17.00 | 4.22 | 63,670 |   |  
            | 10/26/2010 | +0.50 / +2.96% | 17.50 | 17.70 | 17.10 | 17.40 | 17.40 | 4.32 | 200,510 |   |  			
            | 10/25/2010 | +0.20 / +1.20% | 16.80 | 17.00 | 16.50 | 16.90 | 16.90 | 4.20 | 201,140 |   |  
            | 10/22/2010 | 0.00 / 0.00% | 17.10 | 17.10 | 16.60 | 16.70 | 16.70 | 4.15 | 86,130 |   |  			
            | 10/21/2010 | 0.00 / 0.00% | 17.00 | 17.00 | 16.60 | 16.70 | 16.70 | 4.15 | 154,770 |   |  
            | 10/20/2010 | -0.80 / -4.57% | 17.10 | 17.20 | 16.70 | 16.70 | 16.70 | 4.15 | 310,750 |   |  			
            | 10/19/2010 | -0.10 / -0.57% | 17.70 | 17.70 | 17.20 | 17.50 | 17.50 | 4.35 | 261,850 |   |  
            | 10/18/2010 | -0.10 / -0.56% | 17.90 | 17.90 | 17.60 | 17.60 | 17.60 | 4.37 | 96,960 |   |  			
            | 10/15/2010 | +0.20 / +1.14% | 17.30 | 17.70 | 17.30 | 17.70 | 17.70 | 4.40 | 142,100 |   |  
            | 10/14/2010 | +0.10 / +0.57% | 17.40 | 17.70 | 17.40 | 17.50 | 17.50 | 4.35 | 291,790 |   |  			
            | 10/13/2010 | -0.10 / -0.57% | 17.50 | 17.70 | 17.20 | 17.40 | 17.40 | 4.32 | 390,870 |   |  
            | 10/12/2010 | -0.40 / -2.23% | 17.60 | 17.90 | 17.40 | 17.50 | 17.50 | 4.35 | 281,270 |   |  			
            | 10/11/2010 | -0.10 / -0.56% | 18.00 | 18.00 | 17.80 | 17.90 | 17.90 | 4.45 | 257,170 |   |  
            | 10/8/2010 | -0.20 / -1.10% | 18.20 | 18.30 | 18.00 | 18.00 | 18.00 | 4.47 | 302,420 |   |  			
            | 10/7/2010 | -0.60 / -3.19% | 18.80 | 18.90 | 18.20 | 18.20 | 18.20 | 4.52 | 186,540 |   |  
            | 10/6/2010 | +0.20 / +1.08% | 18.70 | 18.90 | 18.30 | 18.80 | 18.80 | 4.67 | 197,260 |   |  			
            | 10/5/2010 | +0.80 / +4.49% | 17.80 | 18.60 | 17.50 | 18.60 | 18.60 | 4.62 | 189,820 |   |  
            | 10/4/2010 | -0.50 / -2.73% | 18.30 | 18.30 | 17.60 | 17.80 | 17.80 | 4.42 | 396,560 |   |  			
            | 10/1/2010 | 0.00 / 0.00% | 18.60 | 18.60 | 18.20 | 18.30 | 18.30 | 4.55 | 111,990 |   |  
            | 9/30/2010 | -0.20 / -1.08% | 18.60 | 18.60 | 18.20 | 18.30 | 18.30 | 4.55 | 247,880 |   |  |  |  
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						| Market Update 
        
            
                Last updated at 3:10:03 PM
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