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                    Closing price on 3/5/2013
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                    | Open | 4.60 |  
                    | High | 4.70 |  
                    | Low | 4.40 |  
                    | Volume | 572,340 |  
                    | Split-adjusted Price | 1.61 |  
                
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 |  PVT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/5/2013 | -0.20 / -4.26% | 4.60 | 4.70 | 4.40 | 4.50 | 4.50 | 1.61 | 572,340 |   |  
            | 3/4/2013 | -0.30 / -6.00% | 5.00 | 5.00 | 4.70 | 4.70 | 4.70 | 1.68 | 1,072,260 |   |  			
            | 3/1/2013 | +0.20 / +4.17% | 4.80 | 5.10 | 4.70 | 5.00 | 5.00 | 1.79 | 2,881,490 |   |  
            | 2/28/2013 | +0.10 / +2.13% | 4.80 | 4.90 | 4.70 | 4.80 | 4.80 | 1.72 | 765,690 |   |  			
            | 2/27/2013 | 0.00 / 0.00% | 4.70 | 4.80 | 4.60 | 4.70 | 4.70 | 1.68 | 717,680 |   |  
            | 2/26/2013 | -0.20 / -4.08% | 4.90 | 5.10 | 4.70 | 4.70 | 4.70 | 1.68 | 1,322,000 |   |  			
            | 2/25/2013 | -0.10 / -2.00% | 5.00 | 5.10 | 4.90 | 4.90 | 4.90 | 1.75 | 398,990 |   |  
            | 2/22/2013 | -0.10 / -1.96% | 5.10 | 5.30 | 4.80 | 5.00 | 5.00 | 1.79 | 1,378,720 |   |  			
            | 2/21/2013 | -0.30 / -5.56% | 5.40 | 5.50 | 5.10 | 5.10 | 5.10 | 1.82 | 1,960,590 |   |  
            | 2/20/2013 | +0.10 / +1.89% | 5.20 | 5.50 | 5.10 | 5.40 | 5.40 | 1.93 | 856,400 |   |  			
            | 2/19/2013 | -0.20 / -3.64% | 5.40 | 5.50 | 5.20 | 5.30 | 5.30 | 1.89 | 2,172,530 |   |  
            | 2/18/2013 | +0.20 / +3.77% | 5.50 | 5.60 | 5.20 | 5.50 | 5.50 | 1.97 | 1,439,310 |   |  			
            | 2/8/2013 | +0.30 / +6.00% | 5.20 | 5.30 | 5.10 | 5.30 | 5.30 | 1.89 | 1,985,370 |   |  
            | 2/7/2013 | +0.30 / +6.38% | 4.80 | 5.00 | 4.80 | 5.00 | 5.00 | 1.79 | 2,952,330 |   |  			
            | 2/6/2013 | +0.20 / +4.44% | 4.50 | 4.70 | 4.50 | 4.70 | 4.70 | 1.68 | 953,110 |   |  
            | 2/5/2013 | -0.10 / -2.17% | 4.60 | 4.60 | 4.50 | 4.50 | 4.50 | 1.61 | 480,550 |   |  			
            | 2/4/2013 | -0.10 / -2.13% | 4.70 | 4.80 | 4.60 | 4.60 | 4.60 | 1.64 | 193,930 |   |  
            | 2/1/2013 | +0.10 / +2.17% | 4.60 | 4.70 | 4.50 | 4.70 | 4.70 | 1.68 | 379,160 |   |  			
            | 1/31/2013 | -0.20 / -4.17% | 4.80 | 4.80 | 4.60 | 4.60 | 4.60 | 1.64 | 351,690 |   |  
            | 1/30/2013 | 0.00 / 0.00% | 4.80 | 4.90 | 4.70 | 4.80 | 4.80 | 1.72 | 513,360 |   |  			
            | 1/29/2013 | +0.10 / +2.13% | 4.70 | 4.80 | 4.60 | 4.80 | 4.80 | 1.72 | 893,800 |   |  
            | 1/28/2013 | 0.00 / 0.00% | 4.80 | 4.90 | 4.70 | 4.70 | 4.70 | 1.68 | 702,030 |   |  			
            | 1/25/2013 | +0.10 / +2.17% | 4.70 | 4.80 | 4.60 | 4.70 | 4.70 | 1.68 | 527,160 |   |  
            | 1/24/2013 | +0.10 / +2.22% | 4.50 | 4.70 | 4.50 | 4.60 | 4.60 | 1.64 | 278,730 |   |  			
            | 1/23/2013 | 0.00 / 0.00% | 4.50 | 4.60 | 4.30 | 4.50 | 4.50 | 1.61 | 443,810 |   |  
            | 1/22/2013 | -0.20 / -4.26% | 4.70 | 4.80 | 4.50 | 4.50 | 4.50 | 1.61 | 804,720 |   |  			
            | 1/21/2013 | -0.10 / -2.08% | 4.80 | 4.90 | 4.60 | 4.70 | 4.70 | 1.68 | 329,730 |   |  
            | 1/18/2013 | -0.30 / -5.88% | 4.90 | 5.00 | 4.80 | 4.80 | 4.80 | 1.72 | 1,730,420 |   |  			
            | 1/17/2013 | +0.10 / +2.00% | 5.10 | 5.30 | 5.00 | 5.10 | 5.10 | 1.82 | 1,773,810 |   |  
            | 1/16/2013 | +0.30 / +6.38% | 5.00 | 5.00 | 4.90 | 5.00 | 5.00 | 1.79 | 1,358,750 |   |  |  |  
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						| Market Update 
        
            
                Last updated at 3:10:01 PM
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