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                    Closing price on 4/3/2012
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                    | Open | 5.60 |  
                    | High | 5.90 |  
                    | Low | 5.50 |  
                    | Volume | 172,700 |  
                    | Split-adjusted Price | 5.90 |  
                
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 |  PV2 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/3/2012 | +0.30 / +5.36% | 5.60 | 5.90 | 5.50 | 5.90 | 5.76 | 5.90 | 172,700 |   |  
            | 3/30/2012 | -0.10 / -1.75% | 5.70 | 5.80 | 5.60 | 5.60 | 5.68 | 5.60 | 343,700 |   |  			
            | 3/29/2012 | -0.30 / -5.00% | 6.00 | 6.10 | 5.60 | 5.70 | 5.87 | 5.70 | 453,200 |   |  
            | 3/28/2012 | +0.10 / +1.69% | 5.70 | 6.10 | 5.60 | 6.00 | 5.89 | 6.00 | 221,100 |   |  			
            | 3/27/2012 | -0.40 / -6.35% | 6.20 | 6.40 | 5.90 | 5.90 | 6.01 | 5.90 | 442,100 |   |  
            | 3/26/2012 | +0.40 / +6.78% | 6.30 | 6.30 | 5.90 | 6.30 | 6.19 | 6.30 | 726,400 |   |  			
            | 3/23/2012 | +0.30 / +5.36% | 5.70 | 5.90 | 5.70 | 5.90 | 5.89 | 5.90 | 565,000 |   |  
            | 3/22/2012 | -0.10 / -1.75% | 5.60 | 5.80 | 5.50 | 5.60 | 5.61 | 5.60 | 187,000 |   |  			
            | 3/21/2012 | +0.20 / +3.64% | 5.50 | 5.70 | 5.50 | 5.70 | 5.63 | 5.70 | 543,300 |   |  
            | 3/20/2012 | +0.20 / +3.77% | 5.40 | 5.50 | 5.40 | 5.50 | 5.42 | 5.50 | 192,600 |   |  			
            | 3/19/2012 | -0.20 / -3.64% | 5.60 | 5.60 | 5.30 | 5.30 | 5.40 | 5.30 | 111,600 |   |  
            | 3/16/2012 | 0.00 / 0.00% | 5.60 | 5.70 | 5.50 | 5.50 | 5.55 | 5.50 | 169,200 |   |  			
            | 3/15/2012 | +0.30 / +5.77% | 5.20 | 5.50 | 5.10 | 5.50 | 5.35 | 5.50 | 183,200 |   |  
            | 3/14/2012 | -0.20 / -3.70% | 5.60 | 5.60 | 5.10 | 5.20 | 5.25 | 5.20 | 66,100 |   |  			
            | 3/13/2012 | +0.30 / +5.88% | 5.20 | 5.40 | 5.20 | 5.40 | 5.36 | 5.40 | 59,300 |   |  
            | 3/12/2012 | -0.10 / -1.92% | 5.30 | 5.30 | 5.00 | 5.10 | 5.07 | 5.10 | 144,100 |   |  			
            | 3/9/2012 | -0.20 / -3.70% | 5.30 | 5.50 | 5.20 | 5.20 | 5.31 | 5.20 | 243,000 |   |  
            | 3/8/2012 | -0.40 / -6.90% | 5.40 | 5.70 | 5.40 | 5.40 | 5.43 | 5.40 | 164,200 |   |  			
            | 3/7/2012 | -0.20 / -3.33% | 6.00 | 6.00 | 5.80 | 5.80 | 5.81 | 5.80 | 127,500 |   |  
            | 3/6/2012 | +0.10 / +1.69% | 6.30 | 6.30 | 5.90 | 6.00 | 6.15 | 6.00 | 468,000 |   |  			
            | 3/5/2012 | +0.20 / +3.51% | 5.80 | 5.90 | 5.70 | 5.90 | 5.88 | 5.90 | 840,500 |   |  
            | 3/2/2012 | 0.00 / 0.00% | 5.40 | 5.70 | 5.40 | 5.70 | 5.64 | 5.70 | 245,800 |   |  			
            | 3/1/2012 | +0.10 / +1.79% | 5.70 | 5.70 | 5.30 | 5.70 | 5.46 | 5.70 | 54,400 |   |  
            | 2/29/2012 | 0.00 / 0.00% | 5.50 | 5.70 | 5.40 | 5.60 | 5.53 | 5.60 | 75,800 |   |  			
            | 2/28/2012 | -0.10 / -1.75% | 6.00 | 6.00 | 5.60 | 5.60 | 5.82 | 5.60 | 732,500 |   |  
            | 2/27/2012 | +0.10 / +1.79% | 5.70 | 5.80 | 5.60 | 5.70 | 5.71 | 5.70 | 830,300 |   |  			
            | 2/24/2012 | 0.00 / 0.00% | 5.60 | 5.80 | 5.50 | 5.60 | 5.58 | 5.60 | 258,200 |   |  
            | 2/23/2012 | +0.10 / +1.82% | 5.50 | 5.70 | 5.40 | 5.60 | 5.46 | 5.60 | 220,000 |   |  			
            | 2/22/2012 | +0.40 / +7.84% | 5.20 | 5.50 | 5.20 | 5.50 | 5.37 | 5.50 | 66,200 |   |  
            | 2/21/2012 | -0.10 / -1.92% | 5.40 | 5.40 | 5.00 | 5.10 | 5.21 | 5.10 | 16,800 |   |  |  |  
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						| Market Update 
        
            
                Last updated at 3:10:01 PM
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