| Date | Open | High | Low | Close | Volume | Change % | Historical Rating |
|---|---|---|---|---|---|---|---|
| 02/09/2010 | 2.44 | 2.60 | 2.39 | 2.51 | 103,494 |  +6.36% |
 |
| 02/08/2010 | 2.33 | 2.52 | 2.25 | 2.36 | 88,992 | +2.61% |
|
| 02/05/2010 | 2.42 | 2.42 | 2.26 | 2.30 | 120,886 |  -4.17% |
|
| 02/04/2010 | 2.50 | 2.50 | 2.30 | 2.40 | 133,500 | -1.23% |
|
| 02/03/2010 | 2.54 | 2.56 | 2.39 | 2.43 | 220,488 | -3.19% |
|
| 02/02/2010 | 2.38 | 2.55 | 2.32 | 2.51 | 296,961 | +5.46% |
|
| 02/01/2010 | 2.40 | 2.45 | 2.25 | 2.38 | 251,850 | -2.86% |
|
| 01/29/2010 | 2.55 | 2.60 | 2.45 | 2.45 | 126,568 | -3.92% |
|
| 01/28/2010 | 2.72 | 2.75 | 2.51 | 2.55 | 183,888 | -7.63% |
|
| 01/27/2010 | 2.93 | 2.93 | 2.76 | 2.76 | 99,562 | -5.78% |
|
| 01/26/2010 | 2.90 | 2.98 | 2.85 | 2.93 | 62,625 | -1.02% |
|
| 01/25/2010 | 3.12 | 3.17 | 2.85 | 2.96 | 258,960 | -7.50% |
|
| 01/22/2010 | 3.19 | 3.24 | 3.05 | 3.20 | 88,201 | -0.31% |
|
| 01/21/2010 | 3.41 | 3.41 | 3.20 | 3.21 | 92,129 | -5.03% |
|
| 01/20/2010 | 3.58 | 3.58 | 3.32 | 3.38 | 116,983 | -5.32% |
|
| 01/19/2010 | 3.52 | 3.59 | 3.50 | 3.57 | 61,680 | +1.42% |
|
| 01/15/2010 | 3.60 | 3.62 | 3.50 | 3.52 | 94,281 | -2.22% |
|
| 01/14/2010 | 3.61 | 3.65 | 3.60 | 3.60 | 96,447 | -1.37% |
|
| 01/13/2010 | 3.64 | 3.65 | 3.60 | 3.65 | 55,440 | +0.27% |
|
| 01/12/2010 | 3.62 | 3.67 | 3.60 | 3.64 | 104,694 | -0.82% |
|
| 01/11/2010 | 3.63 | 3.68 | 3.60 | 3.67 | 70,926 | +0.27% |
|
| 01/08/2010 | 3.65 | 3.68 | 3.65 | 3.66 | 65,359 | -0.27% |
|
| 01/07/2010 | 3.70 | 3.70 | 3.58 | 3.67 | 90,697 | -1.34% |
|
| 01/06/2010 | 3.91 | 3.91 | 3.68 | 3.72 | 135,501 | -3.38% |
|
| 01/05/2010 | 3.81 | 3.91 | 3.78 | 3.85 | 95,209 | +2.67% |
|
| 01/04/2010 | 3.71 | 3.81 | 3.66 | 3.75 | 89,950 | +2.46% |
|
| 12/31/2009 | 3.65 | 3.80 | 3.59 | 3.66 | 142,392 | 0.00% |
|
| 12/30/2009 | 3.88 | 3.90 | 3.66 | 3.66 | 78,878 | -6.87% |
|
| 12/29/2009 | 3.78 | 4.00 | 3.76 | 3.93 | 257,621 | +8.56% |
|
| 12/28/2009 | 3.59 | 3.68 | 3.51 | 3.62 | 134,330 | +1.12% |
|
| 12/24/2009 | 3.66 | 3.73 | 3.57 | 3.58 | 76,648 | -2.72% |
|
| 12/23/2009 | 3.65 | 3.79 | 3.60 | 3.68 | 90,170 | +1.66% |
|
| 12/22/2009 | 3.62 | 3.65 | 3.59 | 3.62 | 87,371 | +0.28% |
|
| 12/21/2009 | 3.56 | 3.75 | 3.56 | 3.61 | 168,069 | -3.74% |
|
| 12/18/2009 | 3.98 | 4.05 | 3.75 | 3.75 | 136,608 | -5.30% |
|
| 12/17/2009 | 4.06 | 4.14 | 3.96 | 3.96 | 74,661 | -4.35% |
|
| 12/16/2009 | 4.00 | 4.30 | 4.00 | 4.14 | 128,065 | +1.47% |
|
| 12/15/2009 | 4.15 | 4.15 | 4.00 | 4.08 | 108,390 | -0.73% |
 |
| 12/14/2009 | 4.28 | 4.28 | 4.07 | 4.11 | 112,226 | -2.38% |
|
| 12/11/2009 | 4.38 | 4.82 | 4.06 | 4.21 | 73,453 | +1.20% |
|
| 12/10/2009 | 4.34 | 4.39 | 4.07 | 4.16 | 199,015 | -4.37% |
|
| 12/09/2009 | 4.30 | 4.40 | 4.18 | 4.35 | 136,384 | +0.23% |
|
| 12/08/2009 | 4.31 | 4.44 | 4.27 | 4.34 | 116,724 | -1.59% |
|
| 12/07/2009 | 4.58 | 4.67 | 4.18 | 4.41 | 250,336 | -4.13% |
|
| 12/04/2009 | 4.75 | 4.90 | 4.56 | 4.60 | 313,620 | -2.54% |
|
| 12/03/2009 | 5.00 | 5.14 | 4.70 | 4.72 | 270,306 | -5.03% |
|
| 12/02/2009 | 4.62 | 5.20 | 4.62 | 4.97 | 931,754 | +8.04% |
|
| 12/01/2009 | 4.70 | 4.73 | 4.52 | 4.60 | 112,484 | +1.77% |
|
| 11/30/2009 | 4.58 | 4.64 | 4.43 | 4.52 | 86,290 | -1.09% |
|
| 11/27/2009 | 4.59 | 4.59 | 4.50 | 4.57 | 84,068 | -2.77% |
|
| 11/25/2009 | 4.71 | 4.77 | 4.59 | 4.70 | 87,241 | +1.29% |
|
| 11/24/2009 | 4.79 | 4.79 | 4.60 | 4.64 | 79,747 | -0.43% |
|
| 11/23/2009 | 4.69 | 4.73 | 4.51 | 4.66 | 123,366 | +0.65% |
|
| 11/20/2009 | 4.70 | 4.75 | 4.56 | 4.63 | 64,551 | -2.73% |
|
| 11/19/2009 | 4.74 | 4.83 | 4.62 | 4.76 | 79,464 | +0.21% |
|
| 11/18/2009 | 4.50 | 4.79 | 4.47 | 4.75 | 143,118 | +4.63% |
|
| 11/17/2009 | 4.67 | 4.85 | 4.50 | 4.54 | 258,563 | -2.99% |
|
| 11/16/2009 | 4.50 | 4.73 | 4.50 | 4.68 | 257,589 | +4.93% |
|
| 11/13/2009 | 4.48 | 4.52 | 4.36 | 4.46 | 91,448 | +2.53% |
|
| 11/12/2009 | 4.57 | 4.64 | 4.30 | 4.35 | 212,326 | -4.56% |
|
| 11/11/2009 | 4.42 | 4.67 | 4.35 | 4.56 | 301,993 | +5.51% |
|
| 11/10/2009 | 4.43 | 4.43 | 4.06 | 4.32 | 244,348 | -3.36% |
|
| 11/09/2009 | 4.63 | 4.64 | 4.32 | 4.47 | 261,867 | +3.47% |
|
| 11/06/2009 | 4.28 | 4.43 | 4.15 | 4.32 | 205,985 | -0.46% |
|
| 11/05/2009 | 4.89 | 4.97 | 4.17 | 4.34 | 598,522 | -11.07% |
|
| 11/04/2009 | 4.59 | 5.24 | 4.55 | 4.88 | 1,202,222 | +9.42% |
|
| 11/03/2009 | 3.90 | 4.48 | 3.90 | 4.46 | 970,534 | +16.15% |
|
| 11/02/2009 | 3.09 | 4.19 | 3.09 | 3.84 | 1,163,778 | +25.90% |
 |
| 10/30/2009 | 3.12 | 3.17 | 3.02 | 3.05 | 86,177 | -2.24% |
|
| 10/29/2009 | 3.39 | 3.39 | 3.04 | 3.12 | 153,131 | -7.42% |
|
| 10/28/2009 | 3.50 | 3.50 | 3.20 | 3.37 | 137,232 | -3.44% |
|
| 10/27/2009 | 3.48 | 3.55 | 3.46 | 3.49 | 53,833 | +0.29% |
|
| 10/26/2009 | 3.62 | 3.68 | 3.43 | 3.48 | 88,037 | -3.06% |
|
| 10/23/2009 | 3.55 | 3.72 | 3.50 | 3.59 | 136,653 | +2.87% |
|
| 10/22/2009 | 3.36 | 3.55 | 3.34 | 3.49 | 127,165 | +4.80% |
|
| 10/21/2009 | 3.26 | 3.36 | 3.26 | 3.33 | 78,407 | +2.15% |
|
| 10/20/2009 | 3.28 | 3.38 | 3.26 | 3.26 | 119,659 | -0.61% |
|
| 10/19/2009 | 3.28 | 3.30 | 3.20 | 3.28 | 104,204 | +0.61% |
|
| 10/16/2009 | 3.27 | 3.29 | 3.26 | 3.26 | 136,196 | +0.31% |
|
| 10/15/2009 | 3.23 | 3.30 | 3.16 | 3.25 | 58,987 | +0.62% |
|
| 10/14/2009 | 3.35 | 3.36 | 3.21 | 3.23 | 197,080 | -1.82% |
|
| 10/13/2009 | 3.25 | 3.33 | 3.25 | 3.29 | 49,777 | -0.30% |
|
| 10/12/2009 | 3.28 | 3.33 | 3.19 | 3.30 | 197,520 | +5.09% |
|
| 10/09/2009 | 2.97 | 3.14 | 2.95 | 3.14 | 77,789 | +6.44% |
|
| 10/08/2009 | 2.87 | 2.99 | 2.87 | 2.95 | 24,693 | -0.34% |
|
| 10/07/2009 | 2.86 | 3.00 | 2.86 | 2.96 | 55,603 | 0.00% |
|
| 10/06/2009 | 2.95 | 2.99 | 2.90 | 2.96 | 34,942 | +0.34% |
|
| 10/05/2009 | 2.97 | 2.97 | 2.81 | 2.95 | 32,945 | -0.67% |
|
| 10/02/2009 | 2.85 | 2.97 | 2.75 | 2.97 | 63,317 | +3.85% |
|
| 10/01/2009 | 2.86 | 2.94 | 2.85 | 2.86 | 33,249 | -1.04% |
|
| 09/30/2009 | 2.89 | 2.92 | 2.85 | 2.89 | 20,228 | 0.00% |
|
| 09/29/2009 | 2.93 | 3.04 | 2.89 | 2.89 | 50,427 | -0.69% |
|
| 09/28/2009 | 2.86 | 2.96 | 2.85 | 2.91 | 36,171 | +0.34% |
|
| 09/25/2009 | 2.95 | 2.97 | 2.76 | 2.90 | 94,410 | -2.36% |
|
| 09/24/2009 | 3.14 | 3.14 | 2.94 | 2.97 | 95,115 | -4.50% |
|
| 09/23/2009 | 3.03 | 3.15 | 3.02 | 3.11 | 144,537 | +2.30% |
|
| 09/22/2009 | 2.87 | 3.05 | 2.87 | 3.04 | 70,775 | +4.83% |
|
| 09/21/2009 | 3.00 | 3.00 | 2.80 | 2.90 | 15,452 | -0.34% |
|
| 09/18/2009 | 3.04 | 3.05 | 2.91 | 2.91 | 31,237 | -2.68% |
|
| 09/17/2009 | 2.95 | 3.05 | 2.86 | 2.99 | 65,561 | +1.36% |
|
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