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                    Closing price on 5/28/2012
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                    | Open | 17.70 |  
                    | High | 17.70 |  
                    | Low | 17.00 |  
                    | Volume | 259,500 |  
                    | Split-adjusted Price | 4.57 |  
                
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 |  DIG Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/28/2012 | +0.70 / +4.14% | 17.70 | 17.70 | 17.00 | 17.60 | 17.60 | 4.57 | 259,500 |   |  
            | 5/25/2012 | +0.80 / +4.97% | 16.10 | 16.90 | 16.10 | 16.90 | 16.90 | 4.38 | 151,520 |   |  			
            | 5/24/2012 | -0.70 / -4.17% | 16.30 | 17.10 | 16.10 | 16.10 | 16.10 | 4.18 | 131,010 |   |  
            | 5/23/2012 | -0.80 / -4.55% | 18.10 | 18.10 | 16.80 | 16.80 | 16.80 | 4.36 | 142,150 |   |  			
            | 5/22/2012 | -0.20 / -1.12% | 17.80 | 18.30 | 17.60 | 17.60 | 17.60 | 4.57 | 180,350 |   |  
            | 5/21/2012 | +0.80 / +4.71% | 17.00 | 17.80 | 17.00 | 17.80 | 17.80 | 4.62 | 372,270 |   |  			
            | 5/18/2012 | -0.50 / -2.86% | 17.30 | 17.40 | 16.70 | 17.00 | 17.00 | 4.41 | 554,450 |   |  
            | 5/17/2012 | -0.60 / -3.31% | 18.10 | 18.40 | 17.50 | 17.50 | 17.50 | 4.54 | 262,850 |   |  			
            | 5/16/2012 | -0.90 / -4.74% | 19.00 | 19.20 | 18.10 | 18.10 | 18.10 | 4.70 | 821,720 |   |  
            | 5/15/2012 | -0.90 / -4.52% | 19.90 | 19.90 | 19.00 | 19.00 | 19.00 | 4.93 | 115,960 |   |  			
            | 5/14/2012 | -1.00 / -4.78% | 20.90 | 20.90 | 19.90 | 19.90 | 19.90 | 5.16 | 307,810 |   |  
            | 5/11/2012 | -0.70 / -3.24% | 21.50 | 21.60 | 20.90 | 20.90 | 20.90 | 5.42 | 182,260 |   |  			
            | 5/10/2012 | +0.30 / +1.41% | 22.00 | 22.30 | 21.50 | 21.60 | 21.60 | 5.60 | 726,830 |   |  
            | 5/9/2012 | -0.20 / -0.93% | 21.50 | 21.70 | 21.00 | 21.30 | 21.30 | 5.53 | 259,800 |   |  			
            | 5/8/2012 | -0.10 / -0.46% | 21.60 | 22.40 | 21.20 | 21.50 | 21.50 | 5.58 | 423,100 |   |  
            | 5/7/2012 | -0.30 / -1.37% | 22.10 | 22.10 | 21.30 | 21.60 | 21.60 | 5.60 | 241,230 |   |  			
            | 5/4/2012 | -0.10 / -0.45% | 22.00 | 22.50 | 21.50 | 21.90 | 21.90 | 5.68 | 198,910 |   |  
            | 5/3/2012 | +0.20 / +0.92% | 21.50 | 22.00 | 21.00 | 22.00 | 22.00 | 5.71 | 160,060 |   |  			
            | 5/2/2012 | -0.80 / -3.54% | 22.80 | 22.80 | 21.50 | 21.80 | 21.80 | 5.65 | 342,500 |   |  
            | 4/27/2012 | +0.20 / +0.89% | 22.40 | 23.00 | 22.10 | 22.60 | 22.60 | 5.86 | 147,690 |   |  			
            | 4/26/2012 | +0.10 / +0.45% | 22.70 | 23.40 | 22.30 | 22.40 | 22.40 | 5.81 | 396,190 |   |  
            | 4/25/2012 | +1.00 / +4.69% | 22.10 | 22.30 | 21.70 | 22.30 | 22.30 | 5.78 | 204,020 |   |  			
            | 4/24/2012 | +1.00 / +4.93% | 20.00 | 21.30 | 19.60 | 21.30 | 21.30 | 5.53 | 374,260 |   |  
            | 4/23/2012 | +0.10 / +0.50% | 20.20 | 20.70 | 20.00 | 20.30 | 20.30 | 5.27 | 258,080 |   |  			
            | 4/20/2012 | -1.00 / -4.72% | 20.60 | 21.00 | 20.20 | 20.20 | 20.20 | 5.24 | 436,400 |   |  
            | 4/19/2012 | -1.10 / -4.93% | 21.70 | 21.90 | 21.20 | 21.20 | 21.20 | 5.50 | 492,003 |   |  			
            | 4/18/2012 | -0.30 / -1.33% | 23.00 | 23.10 | 21.70 | 22.30 | 22.30 | 5.78 | 583,330 |   |  
            | 4/17/2012 | +1.00 / +4.63% | 22.20 | 22.60 | 21.60 | 22.60 | 22.60 | 5.86 | 642,290 |   |  			
            | 4/16/2012 | +1.00 / +4.85% | 20.60 | 21.60 | 20.60 | 21.60 | 21.60 | 5.60 | 236,520 |   |  
            | 4/13/2012 | +0.30 / +1.48% | 20.50 | 21.30 | 20.30 | 20.60 | 20.60 | 5.34 | 556,100 |   |  |  |  
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						| Market Update 
        
            
                Last updated at 3:10:01 PM
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