| Date | Open | High | Low | Close | Volume | Change % | Historical Rating |
|---|---|---|---|---|---|---|---|
| 02/09/2010 | 3.44 | 3.58 | 3.39 | 3.52 | 33,113 |  +3.83% |
 |
| 02/08/2010 | 3.60 | 3.60 | 3.39 | 3.39 | 20,892 |  -6.09% |
|
| 02/05/2010 | 3.43 | 3.61 | 3.35 | 3.61 | 29,883 | +3.44% |
|
| 02/04/2010 | 3.61 | 3.68 | 3.49 | 3.49 | 38,384 | -3.59% |
|
| 02/03/2010 | 3.74 | 3.82 | 3.62 | 3.62 | 30,556 | -3.47% |
|
| 02/02/2010 | 3.86 | 3.99 | 3.67 | 3.75 | 36,280 | -3.10% |
|
| 02/01/2010 | 3.84 | 4.05 | 3.68 | 3.87 | 56,657 | +1.57% |
|
| 01/29/2010 | 4.01 | 4.01 | 3.80 | 3.81 | 33,563 | -4.51% |
|
| 01/28/2010 | 4.17 | 4.25 | 3.99 | 3.99 | 91,069 | -4.09% |
|
| 01/27/2010 | 4.06 | 4.20 | 4.06 | 4.16 | 67,687 | +1.46% |
|
| 01/26/2010 | 4.03 | 4.18 | 3.97 | 4.10 | 36,123 | +1.23% |
|
| 01/25/2010 | 3.92 | 4.08 | 3.91 | 4.05 | 32,114 | +3.85% |
|
| 01/22/2010 | 3.99 | 4.01 | 3.90 | 3.90 | 49,608 | -2.01% |
|
| 01/21/2010 | 3.74 | 4.15 | 3.74 | 3.98 | 200,970 | +6.70% |
|
| 01/20/2010 | 3.70 | 3.79 | 3.60 | 3.73 | 58,179 | -0.27% |
|
| 01/19/2010 | 3.53 | 3.81 | 3.46 | 3.74 | 110,075 | +6.25% |
 |
| 01/15/2010 | 3.65 | 3.65 | 3.50 | 3.52 | 55,231 | -3.03% |
|
| 01/14/2010 | 3.42 | 3.63 | 3.38 | 3.63 | 39,352 | +6.14% |
|
| 01/13/2010 | 3.48 | 3.48 | 3.36 | 3.42 | 43,941 | -1.44% |
|
| 01/12/2010 | 3.48 | 3.48 | 3.36 | 3.47 | 80,539 | -0.57% |
|
| 01/11/2010 | 3.66 | 3.67 | 3.45 | 3.49 | 40,481 | -4.38% |
|
| 01/08/2010 | 3.52 | 3.76 | 3.52 | 3.65 | 32,288 | +0.83% |
|
| 01/07/2010 | 3.46 | 3.65 | 3.40 | 3.62 | 87,216 | +3.43% |
|
| 01/06/2010 | 3.71 | 3.81 | 3.46 | 3.50 | 80,750 | -5.66% |
|
| 01/05/2010 | 3.90 | 3.94 | 3.71 | 3.71 | 43,002 | -5.12% |
|
| 01/04/2010 | 3.81 | 3.98 | 3.78 | 3.91 | 51,763 | +4.27% |
|
| 12/31/2009 | 3.78 | 4.01 | 3.75 | 3.75 | 32,790 | -1.06% |
|
| 12/30/2009 | 3.73 | 3.79 | 3.62 | 3.79 | 61,944 | +1.61% |
|
| 12/29/2009 | 3.77 | 3.79 | 3.66 | 3.73 | 34,768 | +0.54% |
|
| 12/28/2009 | 4.00 | 4.00 | 3.71 | 3.71 | 76,752 | -7.02% |
|
| 12/24/2009 | 3.86 | 4.02 | 3.85 | 3.99 | 17,650 | +3.64% |
|
| 12/23/2009 | 3.79 | 3.92 | 3.79 | 3.85 | 82,857 | +0.52% |
|
| 12/22/2009 | 3.70 | 3.86 | 3.70 | 3.83 | 60,579 | +3.51% |
|
| 12/21/2009 | 3.58 | 3.78 | 3.58 | 3.70 | 51,463 | +3.35% |
|
| 12/18/2009 | 3.57 | 3.62 | 3.52 | 3.58 | 113,412 | +1.13% |
|
| 12/17/2009 | 3.54 | 3.63 | 3.51 | 3.54 | 25,223 | 0.00% |
|
| 12/16/2009 | 3.62 | 3.62 | 3.54 | 3.54 | 28,524 | -1.12% |
|
| 12/15/2009 | 3.54 | 3.62 | 3.52 | 3.58 | 46,673 | -1.38% |
|
| 12/14/2009 | 3.45 | 3.71 | 3.40 | 3.63 | 48,407 | +4.61% |
|
| 12/11/2009 | 3.53 | 3.67 | 3.37 | 3.47 | 58,857 | -0.86% |
|
| 12/10/2009 | 3.59 | 3.59 | 3.50 | 3.50 | 30,597 | -1.96% |
|
| 12/09/2009 | 3.57 | 3.64 | 3.51 | 3.57 | 40,433 | +0.28% |
|
| 12/08/2009 | 3.65 | 3.84 | 3.52 | 3.56 | 71,778 | -4.56% |
|
| 12/07/2009 | 3.75 | 3.79 | 3.54 | 3.73 | 64,844 | -0.27% |
|
| 12/04/2009 | 3.78 | 3.78 | 3.67 | 3.74 | 23,563 | +1.36% |
|
| 12/03/2009 | 3.76 | 3.84 | 3.66 | 3.69 | 30,356 | -1.07% |
|
| 12/02/2009 | 3.62 | 3.77 | 3.62 | 3.73 | 19,133 | +3.32% |
|
| 12/01/2009 | 3.63 | 3.74 | 3.56 | 3.61 | 30,646 | +0.56% |
|
| 11/30/2009 | 3.61 | 3.71 | 3.55 | 3.59 | 73,859 | -0.28% |
|
| 11/27/2009 | 3.76 | 3.76 | 3.60 | 3.60 | 44,255 | -5.51% |
|
| 11/25/2009 | 3.98 | 4.20 | 3.81 | 3.81 | 13,408 | -3.30% |
|
| 11/24/2009 | 4.16 | 4.16 | 3.90 | 3.94 | 16,850 | -2.23% |
|
| 11/23/2009 | 4.04 | 4.24 | 4.00 | 4.03 | 39,088 | +1.51% |
|
| 11/20/2009 | 3.81 | 3.99 | 3.81 | 3.97 | 55,548 | +3.12% |
|
| 11/19/2009 | 3.98 | 4.09 | 3.76 | 3.85 | 25,904 | -4.47% |
|
| 11/18/2009 | 3.99 | 4.39 | 3.95 | 4.03 | 14,080 | +1.26% |
|
| 11/17/2009 | 3.92 | 4.06 | 3.87 | 3.98 | 36,594 | +1.53% |
|
| 11/16/2009 | 3.80 | 4.20 | 3.74 | 3.92 | 84,175 | +3.70% |
|
| 11/13/2009 | 3.68 | 3.80 | 3.65 | 3.78 | 39,285 | +3.28% |
|
| 11/12/2009 | 3.76 | 3.80 | 3.63 | 3.66 | 79,243 | -2.66% |
|
| 11/11/2009 | 3.82 | 3.82 | 3.72 | 3.76 | 37,440 | -0.27% |
|
| 11/10/2009 | 3.91 | 3.97 | 3.76 | 3.77 | 46,227 | -2.84% |
|
| 11/09/2009 | 3.88 | 3.98 | 3.83 | 3.88 | 49,133 | +1.31% |
|
| 11/06/2009 | 3.80 | 3.90 | 3.78 | 3.83 | 62,077 | +0.52% |
|
| 11/05/2009 | 3.79 | 3.86 | 3.79 | 3.81 | 67,240 | +1.87% |
|
| 11/04/2009 | 3.80 | 3.91 | 3.70 | 3.74 | 89,490 | -3.61% |
|
| 11/03/2009 | 3.85 | 3.98 | 3.80 | 3.88 | 49,406 | -1.27% |
|
| 11/02/2009 | 4.23 | 4.30 | 3.84 | 3.93 | 44,404 | -3.20% |
|
| 10/30/2009 | 4.06 | 4.10 | 4.00 | 4.06 | 79,081 | -1.22% |
|
| 10/29/2009 | 4.27 | 4.43 | 4.11 | 4.11 | 47,932 | -3.07% |
|
| 10/28/2009 | 4.15 | 4.43 | 4.12 | 4.24 | 50,683 | +2.42% |
|
| 10/27/2009 | 4.43 | 4.45 | 4.07 | 4.14 | 42,896 | -5.48% |
|
| 10/26/2009 | 4.33 | 4.49 | 4.26 | 4.38 | 47,840 | +1.39% |
|
| 10/23/2009 | 4.38 | 4.60 | 4.27 | 4.32 | 40,317 | -1.37% |
|
| 10/22/2009 | 4.29 | 4.42 | 4.26 | 4.38 | 74,633 | +3.06% |
|
| 10/21/2009 | 4.34 | 4.59 | 4.23 | 4.25 | 42,353 | -2.75% |
|
| 10/20/2009 | 4.51 | 4.51 | 4.32 | 4.37 | 47,110 | -2.67% |
|
| 10/19/2009 | 4.58 | 4.61 | 4.47 | 4.49 | 31,051 | -1.32% |
|
| 10/16/2009 | 4.61 | 4.66 | 4.49 | 4.55 | 37,756 | -2.15% |
|
| 10/15/2009 | 4.70 | 4.70 | 4.62 | 4.65 | 20,949 | -1.48% |
|
| 10/14/2009 | 4.80 | 4.90 | 4.60 | 4.72 | 48,963 | 0.00% |
|
| 10/13/2009 | 4.75 | 4.86 | 4.69 | 4.72 | 46,983 | -0.42% |
|
| 10/12/2009 | 4.80 | 4.95 | 4.74 | 4.74 | 90,719 | -7.60% |
|
| 10/09/2009 | 5.06 | 5.18 | 5.03 | 5.13 | 24,635 | +1.58% |
|
| 10/08/2009 | 5.08 | 5.30 | 5.05 | 5.05 | 26,016 | +0.40% |
|
| 10/07/2009 | 5.16 | 5.16 | 4.96 | 5.03 | 78,023 | -2.71% |
|
| 10/06/2009 | 5.18 | 5.48 | 5.11 | 5.17 | 68,628 | +1.77% |
|
| 10/05/2009 | 5.08 | 5.20 | 5.05 | 5.08 | 94,965 | +0.79% |
|
| 10/02/2009 | 5.10 | 5.19 | 5.04 | 5.04 | 46,072 | -2.51% |
|
| 10/01/2009 | 5.25 | 5.40 | 5.11 | 5.17 | 68,375 | -2.08% |
|
| 09/30/2009 | 5.43 | 5.46 | 5.17 | 5.28 | 40,825 | -3.12% |
|
| 09/29/2009 | 5.48 | 5.58 | 5.26 | 5.45 | 37,562 | -0.18% |
|
| 09/28/2009 | 5.47 | 5.72 | 5.38 | 5.46 | 36,703 | +0.18% |
|
| 09/25/2009 | 5.62 | 5.74 | 5.36 | 5.45 | 57,109 | -3.54% |
|
| 09/24/2009 | 5.79 | 5.80 | 5.59 | 5.65 | 32,088 | -2.25% |
|
| 09/23/2009 | 5.74 | 6.00 | 5.70 | 5.78 | 64,077 | +2.66% |
|
| 09/22/2009 | 5.67 | 5.71 | 5.54 | 5.63 | 22,162 | -0.18% |
|
| 09/21/2009 | 5.56 | 5.95 | 5.50 | 5.64 | 58,582 | +0.36% |
|
| 09/18/2009 | 5.68 | 5.68 | 5.50 | 5.62 | 73,224 | -0.88% |
|
| 09/17/2009 | 5.67 | 5.74 | 5.56 | 5.67 | 60,132 | +0.53% |
|
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