| Date | Open | High | Low | Close | Volume | Change % | Historical Rating |
|---|---|---|---|---|---|---|---|
| 11/20/2009 | 5.24 | 5.44 | 5.12 | 5.21 | 67,476 |  -2.43% |
 |
| 11/19/2009 | 5.54 | 5.54 | 5.16 | 5.34 | 219,554 | -4.44% |
|
| 11/18/2009 | 5.24 | 5.75 | 5.23 | 5.59 | 433,924 |  +6.44% |
|
| 11/17/2009 | 5.04 | 5.25 | 5.00 | 5.25 | 81,341 | +5.00% |
|
| 11/16/2009 | 4.94 | 5.06 | 4.90 | 5.00 | 54,586 | +2.04% |
|
| 11/13/2009 | 4.93 | 4.94 | 4.80 | 4.90 | 51,668 | -0.40% |
|
| 11/12/2009 | 4.77 | 5.15 | 4.70 | 4.92 | 163,962 | +2.07% |
|
| 11/11/2009 | 4.79 | 5.05 | 4.75 | 4.82 | 90,533 | +0.84% |
|
| 11/10/2009 | 4.75 | 4.80 | 4.60 | 4.78 | 59,719 | -0.42% |
|
| 11/09/2009 | 4.73 | 4.86 | 4.72 | 4.80 | 41,875 | +2.13% |
|
| 11/06/2009 | 4.58 | 4.83 | 4.58 | 4.70 | 57,839 | +0.86% |
|
| 11/05/2009 | 4.80 | 4.85 | 4.54 | 4.66 | 99,905 | -2.51% |
|
| 11/04/2009 | 4.78 | 4.99 | 4.74 | 4.78 | 100,103 | +1.70% |
|
| 11/03/2009 | 4.52 | 4.70 | 4.43 | 4.70 | 87,102 | +2.17% |
|
| 11/02/2009 | 4.66 | 4.71 | 4.45 | 4.60 | 104,181 | -1.29% |
|
| 10/30/2009 | 4.74 | 4.87 | 4.55 | 4.66 | 75,750 | -0.85% |
|
| 10/29/2009 | 4.53 | 4.88 | 4.50 | 4.70 | 104,944 | +3.75% |
|
| 10/28/2009 | 4.90 | 4.91 | 4.50 | 4.53 | 180,859 | -8.30% |
|
| 10/27/2009 | 5.07 | 5.10 | 4.89 | 4.94 | 55,908 | -1.79% |
|
| 10/26/2009 | 5.19 | 5.29 | 5.00 | 5.03 | 69,551 | -2.52% |
|
| 10/23/2009 | 5.25 | 5.42 | 5.10 | 5.16 | 121,935 | -0.77% |
|
| 10/22/2009 | 5.24 | 5.25 | 5.00 | 5.20 | 59,058 | +0.78% |
|
| 10/21/2009 | 5.13 | 5.49 | 5.11 | 5.16 | 97,400 | -0.77% |
|
| 10/20/2009 | 5.49 | 5.52 | 5.08 | 5.20 | 181,432 | -5.63% |
|
| 10/19/2009 | 5.04 | 5.59 | 5.00 | 5.51 | 440,567 | +10.20% |
|
| 10/16/2009 | 4.92 | 5.04 | 4.87 | 5.00 | 30,592 | -0.40% |
|
| 10/15/2009 | 4.85 | 5.12 | 4.85 | 5.02 | 158,060 | +2.45% |
|
| 10/14/2009 | 4.97 | 5.00 | 4.82 | 4.90 | 75,221 | -1.01% |
|
| 10/13/2009 | 4.94 | 4.95 | 4.78 | 4.95 | 52,274 | +0.20% |
|
| 10/12/2009 | 5.00 | 5.05 | 4.85 | 4.94 | 92,122 | -1.00% |
|
| 10/09/2009 | 5.06 | 5.12 | 4.94 | 4.99 | 55,691 | -2.35% |
|
| 10/08/2009 | 5.07 | 5.11 | 4.84 | 5.11 | 70,698 | +3.23% |
|
| 10/07/2009 | 4.80 | 5.09 | 4.80 | 4.95 | 110,809 | +3.13% |
|
| 10/06/2009 | 4.85 | 4.95 | 4.73 | 4.80 | 85,582 | +1.27% |
|
| 10/05/2009 | 4.60 | 4.90 | 4.60 | 4.74 | 66,503 | +2.60% |
|
| 10/02/2009 | 4.58 | 4.65 | 4.40 | 4.62 | 144,269 | +0.22% |
 |
| 10/01/2009 | 4.85 | 4.90 | 4.59 | 4.61 | 178,710 | -5.34% |
|
| 09/30/2009 | 5.04 | 5.04 | 4.87 | 4.87 | 159,709 | -2.79% |
|
| 09/29/2009 | 5.14 | 5.14 | 5.00 | 5.01 | 53,067 | -1.18% |
|
| 09/28/2009 | 5.08 | 5.18 | 4.96 | 5.07 | 102,023 | +1.40% |
|
| 09/25/2009 | 5.00 | 5.15 | 4.83 | 5.00 | 106,996 | -0.60% |
|
| 09/24/2009 | 5.37 | 5.39 | 4.92 | 5.03 | 257,573 | -6.85% |
|
| 09/23/2009 | 5.45 | 5.59 | 5.35 | 5.40 | 88,441 | +0.75% |
|
| 09/22/2009 | 5.57 | 5.71 | 5.32 | 5.36 | 172,724 | -3.25% |
|
| 09/21/2009 | 5.45 | 5.63 | 5.21 | 5.54 | 272,519 | +2.78% |
|
| 09/18/2009 | 5.82 | 5.88 | 5.30 | 5.39 | 633,659 | -8.33% |
|
| 09/17/2009 | 5.27 | 6.46 | 5.25 | 5.88 | 2,962,981 | +22.76% |
|
| 09/16/2009 | 4.26 | 4.79 | 4.26 | 4.79 | 211,003 | +12.71% |
|
| 09/15/2009 | 4.27 | 4.35 | 4.22 | 4.25 | 84,318 | -0.47% |
 |
| 09/14/2009 | 4.37 | 4.37 | 4.25 | 4.27 | 49,294 | -1.61% |
|
| 09/11/2009 | 4.39 | 4.42 | 4.27 | 4.34 | 54,937 | -1.14% |
|
| 09/10/2009 | 4.39 | 4.43 | 4.17 | 4.39 | 88,373 | -0.90% |
|
| 09/09/2009 | 4.49 | 4.50 | 4.38 | 4.43 | 73,038 | -1.12% |
|
| 09/08/2009 | 4.45 | 4.60 | 4.26 | 4.48 | 127,731 | +0.90% |
|
| 09/04/2009 | 4.31 | 4.51 | 4.15 | 4.44 | 65,106 | +4.71% |
|
| 09/03/2009 | 4.24 | 4.48 | 4.05 | 4.24 | 72,513 | +1.92% |
|
| 09/02/2009 | 4.26 | 4.30 | 4.10 | 4.16 | 55,404 | -2.35% |
|
| 09/01/2009 | 4.34 | 4.49 | 4.16 | 4.26 | 123,338 | -2.52% |
|
| 08/31/2009 | 4.50 | 4.50 | 4.24 | 4.37 | 106,022 | -4.17% |
|
| 08/28/2009 | 4.77 | 4.77 | 4.45 | 4.56 | 135,624 | -3.59% |
|
| 08/27/2009 | 4.83 | 4.83 | 4.66 | 4.73 | 78,196 | -2.27% |
|
| 08/26/2009 | 4.96 | 4.99 | 4.82 | 4.84 | 71,961 | -2.81% |
|
| 08/25/2009 | 4.99 | 5.05 | 4.80 | 4.98 | 111,985 | -0.20% |
|
| 08/24/2009 | 4.66 | 5.11 | 4.66 | 4.99 | 220,375 | +7.31% |
|
| 08/21/2009 | 4.58 | 4.80 | 4.58 | 4.65 | 149,421 | +4.26% |
|
| 08/20/2009 | 4.44 | 4.50 | 4.40 | 4.46 | 140,861 | +1.83% |
|
| 08/19/2009 | 4.36 | 4.46 | 4.26 | 4.38 | 92,092 | +2.10% |
|
| 08/18/2009 | 4.29 | 4.46 | 4.22 | 4.29 | 92,432 | +2.15% |
|
| 08/17/2009 | 4.52 | 4.52 | 4.12 | 4.20 | 102,966 | -7.08% |
|
| 08/14/2009 | 4.57 | 4.60 | 4.47 | 4.52 | 74,761 | 0.00% |
|
| 08/13/2009 | 4.68 | 4.77 | 4.50 | 4.52 | 100,912 | -1.09% |
|
| 08/12/2009 | 4.79 | 4.81 | 4.56 | 4.57 | 137,140 | -5.38% |
|
| 08/11/2009 | 5.18 | 5.25 | 4.75 | 4.83 | 357,575 | +6.39% |
|
| 08/10/2009 | 4.38 | 4.60 | 4.38 | 4.54 | 94,326 | +1.11% |
|
| 08/07/2009 | 4.49 | 4.57 | 4.36 | 4.49 | 119,428 | +2.05% |
|
| 08/06/2009 | 4.50 | 4.60 | 4.38 | 4.40 | 73,984 | -0.23% |
|
| 08/05/2009 | 4.43 | 4.49 | 4.30 | 4.41 | 70,350 | -0.90% |
|
| 08/04/2009 | 4.50 | 4.66 | 4.44 | 4.45 | 72,163 | -1.11% |
|
| 08/03/2009 | 4.47 | 4.51 | 4.33 | 4.50 | 122,306 | +2.04% |
|
| 07/31/2009 | 4.41 | 4.67 | 4.35 | 4.41 | 66,424 | -0.45% |
|
| 07/30/2009 | 4.50 | 4.58 | 4.37 | 4.43 | 73,590 | -0.45% |
|
| 07/29/2009 | 4.55 | 4.55 | 4.30 | 4.45 | 34,158 | -1.55% |
|
| 07/28/2009 | 4.56 | 4.59 | 4.35 | 4.52 | 84,402 | -1.74% |
|
| 07/27/2009 | 4.23 | 4.62 | 4.23 | 4.60 | 123,164 | +7.03% |
|
| 07/24/2009 | 4.29 | 4.31 | 4.13 | 4.30 | 42,370 | +0.19% |
|
| 07/23/2009 | 4.10 | 4.39 | 4.08 | 4.29 | 65,149 | +2.88% |
|
| 07/22/2009 | 4.27 | 4.35 | 4.13 | 4.17 | 77,780 | -2.34% |
|
| 07/21/2009 | 4.18 | 4.39 | 4.14 | 4.27 | 166,005 | +3.39% |
|
| 07/20/2009 | 4.08 | 4.17 | 4.02 | 4.13 | 283,706 | +4.29% |
|
| 07/17/2009 | 4.01 | 4.15 | 3.95 | 3.96 | 77,361 | -2.94% |
|
| 07/16/2009 | 4.20 | 4.20 | 4.00 | 4.08 | 54,649 | -2.39% |
|
| 07/15/2009 | 4.10 | 4.21 | 4.04 | 4.18 | 103,324 | +5.82% |
|
| 07/14/2009 | 3.83 | 4.11 | 3.83 | 3.95 | 67,944 | +1.54% |
|
| 07/13/2009 | 4.04 | 4.05 | 3.75 | 3.89 | 86,096 | -1.77% |
|
| 07/10/2009 | 4.11 | 4.13 | 3.91 | 3.96 | 42,652 | -4.35% |
|
| 07/09/2009 | 4.16 | 4.28 | 3.99 | 4.14 | 78,025 | +4.02% |
|
| 07/08/2009 | 4.27 | 4.27 | 3.81 | 3.98 | 102,722 | -5.46% |
|
| 07/07/2009 | 4.22 | 4.24 | 4.13 | 4.21 | 42,382 | -1.86% |
|
| 07/06/2009 | 4.34 | 4.42 | 4.11 | 4.29 | 161,502 | -3.60% |
|
| 07/02/2009 | 4.80 | 4.80 | 4.45 | 4.45 | 91,913 | -6.71% |
|
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