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                    Closing price on 5/10/2013
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                    | Open | 15.10 |  
                    | High | 15.60 |  
                    | Low | 15.10 |  
                    | Volume | 1,710,143 |  
                    | Split-adjusted Price | 6.60 |  
                
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 |  PVC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/10/2013 | +0.40 / +2.65% | 15.10 | 15.60 | 15.10 | 15.50 | 15.40 | 6.60 | 1,710,143 |   |  
            | 5/9/2013 | +0.50 / +3.42% | 14.60 | 15.40 | 14.60 | 15.10 | 15.05 | 6.43 | 1,156,235 |   |  			
            | 5/8/2013 | -0.10 / -0.68% | 14.70 | 14.80 | 14.50 | 14.60 | 14.61 | 6.22 | 347,313 |   |  
            | 5/7/2013 | -0.10 / -0.68% | 14.50 | 15.00 | 14.50 | 14.70 | 14.70 | 6.26 | 562,750 |   |  			
            | 5/6/2013 | +0.50 / +3.50% | 14.30 | 14.90 | 14.20 | 14.80 | 14.58 | 6.30 | 620,699 |   |  
            | 5/3/2013 | 0.00 / 0.00% | 14.20 | 14.40 | 14.10 | 14.30 | 14.27 | 6.09 | 396,648 |   |  			
            | 5/2/2013 | -0.20 / -1.38% | 14.50 | 14.50 | 14.20 | 14.30 | 14.35 | 6.09 | 298,018 |   |  
            | 4/26/2013 | -0.20 / -1.36% | 14.60 | 14.70 | 14.30 | 14.50 | 14.46 | 6.17 | 442,100 |   |  			
            | 4/25/2013 | +0.40 / +2.80% | 14.20 | 15.20 | 14.20 | 14.70 | 14.74 | 6.26 | 1,321,100 |   |  
            | 4/24/2013 | +0.50 / +3.62% | 14.00 | 14.30 | 13.90 | 14.30 | 14.14 | 6.09 | 866,400 |   |  			
            | 4/23/2013 | +0.50 / +3.76% | 13.80 | 14.30 | 13.60 | 13.80 | 13.81 | 5.88 | 368,500 |   |  
            | 4/22/2013 | -0.40 / -2.92% | 13.60 | 13.70 | 13.30 | 13.30 | 13.48 | 5.66 | 353,400 |   |  			
            | 4/18/2013 | -0.30 / -2.14% | 13.80 | 14.00 | 13.40 | 13.70 | 13.69 | 5.83 | 474,400 |   |  
            | 4/17/2013 | -0.20 / -1.41% | 14.50 | 14.50 | 13.90 | 14.00 | 14.17 | 5.96 | 433,600 |   |  			
            | 4/16/2013 | +0.10 / +0.71% | 13.90 | 14.50 | 13.70 | 14.20 | 14.06 | 6.05 | 646,400 |   |  
            | 4/15/2013 | -1.00 / -6.62% | 15.00 | 15.00 | 13.80 | 14.10 | 14.26 | 6.00 | 832,130 |   |  			
            | 4/12/2013 | +0.30 / +2.03% | 14.80 | 15.40 | 14.70 | 15.10 | 15.12 | 6.43 | 1,613,909 |   |  
            | 4/11/2013 | +0.50 / +3.50% | 14.40 | 14.80 | 14.40 | 14.80 | 14.58 | 6.30 | 925,811 |   |  			
            | 4/10/2013 | -0.10 / -0.69% | 14.40 | 15.20 | 14.20 | 14.30 | 14.76 | 6.09 | 2,548,058 |   |  
            | 4/9/2013 | -0.10 / -0.69% | 14.50 | 14.70 | 14.30 | 14.40 | 14.45 | 6.13 | 580,058 |   |  			
            | 4/8/2013 | +0.40 / +2.84% | 14.10 | 14.80 | 14.10 | 14.50 | 14.49 | 6.17 | 1,259,811 |   |  
            | 4/5/2013 | +0.50 / +3.68% | 13.50 | 14.20 | 13.50 | 14.10 | 13.91 | 6.00 | 1,412,431 |   |  			
            | 4/4/2013 | +0.20 / +1.49% | 13.30 | 14.00 | 13.20 | 13.60 | 13.66 | 5.79 | 1,083,100 |   |  
            | 4/3/2013 | +0.20 / +1.52% | 13.10 | 13.40 | 13.00 | 13.40 | 13.21 | 5.70 | 318,100 |   |  			
            | 4/2/2013 | -0.10 / -0.75% | 13.20 | 13.50 | 13.10 | 13.20 | 13.28 | 5.62 | 347,720 |   |  
            | 4/1/2013 | +0.40 / +3.10% | 12.80 | 13.30 | 12.80 | 13.30 | 13.09 | 5.66 | 215,450 |   |  			
            | 3/29/2013 | -0.10 / -0.77% | 12.50 | 13.00 | 12.50 | 12.90 | 12.73 | 5.49 | 331,300 |   |  
            | 3/28/2013 | -0.10 / -0.76% | 13.00 | 13.10 | 12.80 | 13.00 | 12.93 | 5.53 | 161,000 |   |  			
            | 3/27/2013 | -0.10 / -0.76% | 13.00 | 13.20 | 13.00 | 13.10 | 13.06 | 5.58 | 229,400 |   |  
            | 3/26/2013 | -0.10 / -0.75% | 13.30 | 13.40 | 13.10 | 13.20 | 13.23 | 5.62 | 340,200 |   |  |  |  
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						| Market Update 
        
            
                Last updated at 3:10:01 PM
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