| Date | Open | High | Low | Close | Volume | Change % | Historical Rating |
|---|---|---|---|---|---|---|---|
| 02/09/2010 | 4.49 | 4.49 | 4.26 | 4.33 | 108,716 |  -2.26% |
 |
| 02/08/2010 | 4.51 | 4.61 | 4.39 | 4.43 | 66,254 | -1.56% |
|
| 02/05/2010 | 4.54 | 4.70 | 4.10 | 4.50 | 290,596 | -2.81% |
|
| 02/04/2010 | 4.71 | 4.81 | 4.61 | 4.63 | 246,854 | -0.22% |
|
| 02/03/2010 | 4.41 | 4.79 | 4.41 | 4.64 | 359,328 |  +5.45% |
|
| 02/02/2010 | 4.41 | 4.49 | 4.38 | 4.40 | 83,803 | -0.45% |
|
| 02/01/2010 | 4.45 | 4.50 | 4.34 | 4.42 | 75,781 | -0.90% |
|
| 01/29/2010 | 4.34 | 4.46 | 4.30 | 4.46 | 117,511 | +3.00% |
|
| 01/28/2010 | 4.50 | 4.60 | 4.30 | 4.33 | 164,269 | -3.56% |
|
| 01/27/2010 | 4.54 | 4.54 | 4.46 | 4.49 | 53,599 | -0.66% |
|
| 01/26/2010 | 4.47 | 4.57 | 4.45 | 4.52 | 96,604 | +1.12% |
|
| 01/25/2010 | 4.48 | 4.50 | 4.45 | 4.47 | 78,882 | +0.45% |
|
| 01/22/2010 | 4.48 | 4.56 | 4.43 | 4.45 | 120,951 | -0.89% |
|
| 01/21/2010 | 4.83 | 5.00 | 4.45 | 4.49 | 226,594 | -7.04% |
|
| 01/20/2010 | 4.90 | 4.97 | 4.80 | 4.83 | 90,909 | -2.23% |
|
| 01/19/2010 | 5.05 | 5.11 | 4.90 | 4.94 | 159,367 | -2.76% |
|
| 01/15/2010 | 5.40 | 5.40 | 5.00 | 5.08 | 282,487 | -5.58% |
|
| 01/14/2010 | 5.13 | 5.43 | 5.11 | 5.38 | 390,070 | +3.26% |
|
| 01/13/2010 | 4.86 | 5.45 | 4.76 | 5.21 | 670,566 | +8.09% |
|
| 01/12/2010 | 4.98 | 4.98 | 4.75 | 4.82 | 187,621 | -3.50% |
|
| 01/11/2010 | 4.99 | 5.04 | 4.83 | 5.00 | 169,713 | +0.10% |
|
| 01/08/2010 | 4.97 | 5.00 | 4.86 | 4.99 | 207,439 | 0.00% |
|
| 01/07/2010 | 5.01 | 5.08 | 4.96 | 4.99 | 238,617 | -0.20% |
|
| 01/06/2010 | 4.70 | 5.15 | 4.65 | 5.00 | 915,011 | +6.38% |
|
| 01/05/2010 | 4.72 | 4.74 | 4.65 | 4.70 | 130,911 | -0.84% |
|
| 01/04/2010 | 4.47 | 4.79 | 4.47 | 4.74 | 191,680 | +5.80% |
|
| 12/31/2009 | 4.70 | 4.71 | 4.48 | 4.48 | 108,795 | -4.68% |
|
| 12/30/2009 | 4.72 | 4.72 | 4.56 | 4.70 | 140,068 | -0.84% |
|
| 12/29/2009 | 4.75 | 4.89 | 4.65 | 4.74 | 365,442 | +0.21% |
|
| 12/28/2009 | 4.49 | 4.84 | 4.43 | 4.73 | 648,312 | +5.82% |
|
| 12/24/2009 | 4.45 | 4.50 | 4.27 | 4.47 | 70,611 | +0.45% |
|
| 12/23/2009 | 4.47 | 4.48 | 4.41 | 4.45 | 111,572 | +0.68% |
|
| 12/22/2009 | 4.45 | 4.48 | 4.36 | 4.42 | 120,046 | -0.67% |
|
| 12/21/2009 | 4.43 | 4.49 | 4.22 | 4.45 | 155,529 | +0.23% |
|
| 12/18/2009 | 4.04 | 4.45 | 4.01 | 4.44 | 492,083 | +11.00% |
|
| 12/17/2009 | 4.05 | 4.05 | 3.95 | 4.00 | 202,312 | -1.23% |
|
| 12/16/2009 | 4.15 | 4.25 | 4.03 | 4.05 | 332,575 | -2.88% |
|
| 12/15/2009 | 4.30 | 4.34 | 4.08 | 4.17 | 322,697 | -3.92% |
|
| 12/14/2009 | 4.40 | 4.60 | 4.30 | 4.34 | 442,169 | -1.59% |
|
| 12/11/2009 | 4.59 | 4.69 | 4.40 | 4.41 | 369,877 | -2.43% |
|
| 12/10/2009 | 4.37 | 4.94 | 4.37 | 4.52 | 1,219,162 | +3.20% |
|
| 12/09/2009 | 4.54 | 4.54 | 4.31 | 4.38 | 289,175 | -2.45% |
|
| 12/08/2009 | 4.41 | 4.63 | 4.25 | 4.49 | 523,242 | +1.35% |
|
| 12/07/2009 | 4.66 | 4.89 | 4.41 | 4.43 | 532,482 | -3.28% |
|
| 12/04/2009 | 4.37 | 4.60 | 4.16 | 4.58 | 631,325 | +6.76% |
|
| 12/03/2009 | 4.39 | 4.77 | 4.10 | 4.29 | 1,811,734 | +1.42% |
|
| 12/02/2009 | 4.81 | 4.91 | 4.15 | 4.23 | 1,547,977 | -11.69% |
 |
| 12/01/2009 | 5.59 | 6.00 | 4.75 | 4.79 | 7,827,211 | +2.53% |
|
| 11/30/2009 | 3.40 | 5.14 | 3.35 | 4.67 | 2,912,625 | +37.41% |
|
| 11/27/2009 | 3.50 | 3.51 | 3.40 | 3.40 | 24,110 | -2.86% |
|
| 11/25/2009 | 3.57 | 3.59 | 3.50 | 3.50 | 6,279 | -2.23% |
|
| 11/24/2009 | 3.63 | 3.63 | 3.54 | 3.58 | 10,884 | -1.92% |
|
| 11/23/2009 | 3.60 | 3.67 | 3.55 | 3.65 | 15,749 | +2.24% |
|
| 11/20/2009 | 3.49 | 3.59 | 3.49 | 3.57 | 20,073 | +1.71% |
|
| 11/19/2009 | 3.61 | 3.61 | 3.50 | 3.51 | 20,006 | -3.31% |
|
| 11/18/2009 | 3.61 | 3.66 | 3.55 | 3.63 | 34,641 | -1.89% |
|
| 11/17/2009 | 3.61 | 3.70 | 3.54 | 3.70 | 26,686 | +2.78% |
|
| 11/16/2009 | 3.62 | 3.65 | 3.51 | 3.60 | 51,144 | 0.00% |
|
| 11/13/2009 | 3.60 | 3.65 | 3.55 | 3.60 | 28,106 | +0.28% |
|
| 11/12/2009 | 3.58 | 3.64 | 3.53 | 3.59 | 39,865 | +0.56% |
|
| 11/11/2009 | 3.62 | 3.68 | 3.51 | 3.57 | 21,577 | -1.38% |
|
| 11/10/2009 | 3.61 | 3.65 | 3.55 | 3.62 | 14,753 | 0.00% |
|
| 11/09/2009 | 3.52 | 3.65 | 3.51 | 3.62 | 33,455 | +3.43% |
|
| 11/06/2009 | 3.35 | 3.52 | 3.26 | 3.50 | 27,264 | +3.86% |
|
| 11/05/2009 | 3.25 | 3.39 | 3.25 | 3.37 | 45,861 | +3.69% |
|
| 11/04/2009 | 3.26 | 3.30 | 3.22 | 3.25 | 95,428 | -0.31% |
|
| 11/03/2009 | 3.49 | 3.49 | 3.25 | 3.26 | 65,453 | -4.96% |
|
| 11/02/2009 | 3.73 | 3.73 | 3.35 | 3.43 | 58,962 | -4.99% |
|
| 10/30/2009 | 3.56 | 3.90 | 3.56 | 3.61 | 51,176 | +1.12% |
|
| 10/29/2009 | 3.62 | 3.94 | 3.53 | 3.57 | 96,098 | -0.83% |
|
| 10/28/2009 | 3.70 | 3.88 | 3.60 | 3.60 | 21,016 | -2.96% |
|
| 10/27/2009 | 3.70 | 3.78 | 3.60 | 3.71 | 31,488 | +0.82% |
|
| 10/26/2009 | 3.69 | 3.83 | 3.65 | 3.68 | 10,847 | -0.54% |
|
| 10/23/2009 | 3.87 | 3.90 | 3.70 | 3.70 | 26,960 | -4.39% |
|
| 10/22/2009 | 3.88 | 3.88 | 3.80 | 3.87 | 13,006 | +2.93% |
|
| 10/21/2009 | 3.77 | 4.07 | 3.73 | 3.76 | 40,250 | 0.00% |
|
| 10/20/2009 | 4.00 | 4.01 | 3.76 | 3.76 | 25,455 | -6.00% |
|
| 10/19/2009 | 4.03 | 4.03 | 3.99 | 4.00 | 24,282 | -0.99% |
|
| 10/16/2009 | 4.17 | 4.17 | 4.04 | 4.04 | 29,053 | -3.35% |
|
| 10/15/2009 | 4.19 | 4.22 | 4.14 | 4.18 | 63,599 | -0.95% |
|
| 10/14/2009 | 4.10 | 4.23 | 4.08 | 4.22 | 22,734 | +2.93% |
|
| 10/13/2009 | 4.11 | 4.11 | 4.10 | 4.10 | 13,283 | -1.20% |
|
| 10/12/2009 | 4.14 | 4.19 | 4.02 | 4.15 | 16,484 | 0.00% |
|
| 10/09/2009 | 4.08 | 4.15 | 4.01 | 4.15 | 91,569 | +1.47% |
|
| 10/08/2009 | 4.12 | 4.13 | 4.04 | 4.09 | 49,677 | -0.73% |
|
| 10/07/2009 | 4.01 | 4.12 | 4.01 | 4.12 | 44,050 | +0.49% |
|
| 10/06/2009 | 4.04 | 4.10 | 4.01 | 4.10 | 14,968 | +1.49% |
|
| 10/05/2009 | 4.06 | 4.12 | 4.01 | 4.04 | 41,468 | -0.49% |
|
| 10/02/2009 | 4.00 | 4.09 | 3.92 | 4.06 | 35,176 | +1.00% |
|
| 10/01/2009 | 3.92 | 4.06 | 3.92 | 4.02 | 77,942 | +0.75% |
|
| 09/30/2009 | 3.99 | 4.06 | 3.92 | 3.99 | 90,233 | -0.25% |
|
| 09/29/2009 | 4.00 | 4.09 | 3.84 | 4.00 | 59,274 | 0.00% |
|
| 09/28/2009 | 4.08 | 4.08 | 3.86 | 4.00 | 53,390 | -2.44% |
|
| 09/25/2009 | 3.60 | 4.11 | 3.60 | 4.10 | 28,859 | +6.22% |
|
| 09/24/2009 | 3.81 | 3.86 | 3.73 | 3.86 | 16,360 | +0.52% |
|
| 09/23/2009 | 3.97 | 3.97 | 3.72 | 3.84 | 30,288 | -3.27% |
|
| 09/22/2009 | 3.77 | 3.99 | 3.77 | 3.97 | 20,712 | +5.03% |
|
| 09/21/2009 | 3.65 | 3.79 | 3.65 | 3.78 | 29,976 | +3.00% |
|
| 09/18/2009 | 3.71 | 3.72 | 3.63 | 3.67 | 138,252 | -1.34% |
|
| 09/17/2009 | 3.70 | 3.72 | 3.66 | 3.72 | 17,403 | +0.54% |
|
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