| Date | Open | High | Low | Close | Volume | Change % | Historical Rating |
|---|---|---|---|---|---|---|---|
| 02/09/2010 | 3.37 | 3.41 | 3.34 | 3.41 | 31,909 |  +2.71% |
 |
| 02/08/2010 | 3.49 | 3.51 | 3.32 | 3.32 | 38,853 |  -5.14% |
|
| 02/05/2010 | 3.33 | 3.52 | 3.33 | 3.50 | 33,468 | +5.11% |
|
| 02/04/2010 | 3.34 | 3.39 | 3.30 | 3.33 | 68,192 | +0.30% |
|
| 02/03/2010 | 3.34 | 3.44 | 3.30 | 3.32 | 44,370 | +0.30% |
|
| 02/02/2010 | 3.42 | 3.46 | 3.31 | 3.31 | 67,855 | -3.50% |
|
| 02/01/2010 | 3.44 | 3.45 | 3.41 | 3.43 | 36,227 | 0.00% |
|
| 01/29/2010 | 3.42 | 3.49 | 3.41 | 3.43 | 36,876 | +0.29% |
|
| 01/28/2010 | 3.47 | 3.51 | 3.41 | 3.42 | 28,102 | -1.44% |
|
| 01/27/2010 | 3.41 | 3.49 | 3.41 | 3.47 | 21,378 | +1.17% |
|
| 01/26/2010 | 3.36 | 3.53 | 3.36 | 3.43 | 44,877 | +0.88% |
|
| 01/25/2010 | 3.47 | 3.47 | 3.34 | 3.40 | 40,879 | -1.45% |
|
| 01/22/2010 | 3.35 | 3.54 | 3.35 | 3.45 | 44,495 | +2.07% |
|
| 01/21/2010 | 3.43 | 3.55 | 3.36 | 3.38 | 70,995 | -3.43% |
|
| 01/20/2010 | 3.61 | 3.61 | 3.46 | 3.50 | 45,412 | -2.78% |
|
| 01/19/2010 | 3.49 | 3.62 | 3.42 | 3.60 | 37,816 | +4.05% |
|
| 01/15/2010 | 3.54 | 3.54 | 3.42 | 3.46 | 74,160 | -1.70% |
|
| 01/14/2010 | 3.53 | 3.55 | 3.50 | 3.52 | 18,463 | -0.28% |
|
| 01/13/2010 | 3.51 | 3.57 | 3.47 | 3.53 | 35,929 | +0.86% |
|
| 01/12/2010 | 3.53 | 3.55 | 3.50 | 3.50 | 38,355 | -1.41% |
|
| 01/11/2010 | 3.52 | 3.57 | 3.50 | 3.55 | 32,412 | +1.14% |
|
| 01/08/2010 | 3.51 | 3.58 | 3.50 | 3.51 | 18,699 | +0.57% |
|
| 01/07/2010 | 3.46 | 3.62 | 3.46 | 3.49 | 82,807 | +1.16% |
|
| 01/06/2010 | 3.69 | 3.71 | 3.44 | 3.45 | 92,386 | -7.01% |
|
| 01/05/2010 | 3.79 | 3.79 | 3.70 | 3.71 | 54,960 | -0.80% |
|
| 01/04/2010 | 3.66 | 3.74 | 3.65 | 3.74 | 98,316 | +1.63% |
|
| 12/31/2009 | 3.51 | 3.71 | 3.40 | 3.68 | 84,504 | +5.14% |
|
| 12/30/2009 | 3.56 | 3.63 | 3.46 | 3.50 | 94,151 | -0.85% |
|
| 12/29/2009 | 3.42 | 3.54 | 3.41 | 3.53 | 37,476 | +3.82% |
|
| 12/28/2009 | 3.38 | 3.43 | 3.38 | 3.40 | 421,472 | -0.87% |
|
| 12/24/2009 | 3.41 | 3.46 | 3.40 | 3.43 | 21,937 | -0.58% |
|
| 12/23/2009 | 3.43 | 3.48 | 3.42 | 3.45 | 23,801 | +0.88% |
|
| 12/22/2009 | 3.48 | 3.50 | 3.42 | 3.42 | 53,892 | -1.16% |
|
| 12/21/2009 | 3.74 | 3.74 | 3.46 | 3.46 | 147,370 | -6.99% |
|
| 12/18/2009 | 3.61 | 3.72 | 3.58 | 3.72 | 621,753 | +0.27% |
|
| 12/17/2009 | 3.68 | 3.74 | 3.58 | 3.71 | 61,046 | +0.27% |
|
| 12/16/2009 | 3.65 | 3.74 | 3.65 | 3.70 | 44,859 | +2.78% |
|
| 12/15/2009 | 3.60 | 3.75 | 3.56 | 3.60 | 77,042 | 0.00% |
|
| 12/14/2009 | 3.55 | 3.65 | 3.54 | 3.60 | 22,700 | +2.27% |
|
| 12/11/2009 | 3.42 | 3.63 | 3.42 | 3.52 | 34,250 | +2.62% |
|
| 12/10/2009 | 3.55 | 3.62 | 3.40 | 3.43 | 37,055 | -3.38% |
|
| 12/09/2009 | 3.69 | 3.72 | 3.55 | 3.55 | 54,937 | -4.83% |
|
| 12/08/2009 | 3.73 | 3.79 | 3.54 | 3.73 | 49,943 | -1.32% |
|
| 12/07/2009 | 3.74 | 3.78 | 3.71 | 3.78 | 33,500 | +0.80% |
|
| 12/04/2009 | 3.67 | 3.75 | 3.65 | 3.75 | 50,300 | +4.17% |
|
| 12/03/2009 | 3.82 | 3.82 | 3.59 | 3.60 | 42,773 | -5.01% |
|
| 12/02/2009 | 3.55 | 3.82 | 3.55 | 3.79 | 56,134 | +6.46% |
|
| 12/01/2009 | 3.54 | 3.59 | 3.47 | 3.56 | 56,711 | +0.28% |
|
| 11/30/2009 | 3.32 | 3.58 | 3.25 | 3.55 | 129,284 | +6.61% |
|
| 11/27/2009 | 3.42 | 3.42 | 3.33 | 3.33 | 360,178 | -3.48% |
|
| 11/25/2009 | 3.44 | 3.50 | 3.41 | 3.45 | 98,300 | +0.58% |
|
| 11/24/2009 | 3.46 | 3.48 | 3.33 | 3.43 | 59,178 | -1.15% |
|
| 11/23/2009 | 3.49 | 3.53 | 3.41 | 3.47 | 74,105 | +1.46% |
|
| 11/20/2009 | 3.45 | 3.50 | 3.34 | 3.42 | 74,744 | -0.58% |
 |
| 11/19/2009 | 3.44 | 3.51 | 3.40 | 3.44 | 141,215 | -0.58% |
|
| 11/18/2009 | 3.45 | 3.50 | 3.43 | 3.46 | 42,480 | +0.29% |
|
| 11/17/2009 | 3.53 | 3.58 | 3.43 | 3.45 | 42,529 | -2.54% |
|
| 11/16/2009 | 3.50 | 3.60 | 3.47 | 3.54 | 72,389 | +2.61% |
|
| 11/13/2009 | 3.45 | 3.48 | 3.42 | 3.45 | 22,601 | +0.88% |
|
| 11/12/2009 | 3.47 | 3.48 | 3.42 | 3.42 | 68,044 | -1.44% |
|
| 11/11/2009 | 3.53 | 3.54 | 3.44 | 3.47 | 35,036 | -0.29% |
|
| 11/10/2009 | 3.49 | 3.53 | 3.47 | 3.48 | 38,747 | -1.14% |
|
| 11/09/2009 | 3.54 | 3.60 | 3.49 | 3.52 | 67,852 | -1.40% |
|
| 11/06/2009 | 3.52 | 3.57 | 3.52 | 3.57 | 15,335 | +0.28% |
|
| 11/05/2009 | 3.55 | 3.59 | 3.51 | 3.56 | 29,527 | +1.71% |
|
| 11/04/2009 | 3.62 | 3.65 | 3.50 | 3.50 | 61,302 | -2.51% |
|
| 11/03/2009 | 3.57 | 3.64 | 3.52 | 3.59 | 95,044 | +0.28% |
|
| 11/02/2009 | 3.60 | 3.64 | 3.57 | 3.58 | 49,280 | +0.28% |
|
| 10/30/2009 | 3.61 | 3.64 | 3.57 | 3.57 | 62,694 | -1.92% |
|
| 10/29/2009 | 3.74 | 3.75 | 3.61 | 3.64 | 58,032 | -1.62% |
|
| 10/28/2009 | 3.66 | 3.78 | 3.66 | 3.70 | 33,423 | +1.09% |
|
| 10/27/2009 | 3.70 | 3.77 | 3.65 | 3.66 | 42,034 | -0.27% |
|
| 10/26/2009 | 3.73 | 3.78 | 3.67 | 3.67 | 56,201 | +1.38% |
|
| 10/23/2009 | 3.91 | 3.92 | 3.62 | 3.62 | 41,342 | -7.42% |
|
| 10/22/2009 | 3.65 | 3.95 | 3.64 | 3.91 | 37,239 | +7.12% |
|
| 10/21/2009 | 3.68 | 3.95 | 3.65 | 3.65 | 77,519 | -0.54% |
|
| 10/20/2009 | 3.65 | 3.71 | 3.59 | 3.67 | 58,160 | +1.66% |
|
| 10/19/2009 | 3.80 | 3.86 | 3.57 | 3.61 | 159,651 | -3.73% |
|
| 10/16/2009 | 4.10 | 4.10 | 3.75 | 3.75 | 287,705 | -8.98% |
|
| 10/15/2009 | 4.25 | 4.37 | 4.10 | 4.12 | 57,869 | -4.19% |
|
| 10/14/2009 | 4.31 | 4.49 | 4.22 | 4.30 | 75,615 | +1.90% |
|
| 10/13/2009 | 4.35 | 4.38 | 4.10 | 4.22 | 32,779 | -3.43% |
|
| 10/12/2009 | 4.31 | 4.41 | 4.29 | 4.37 | 28,460 | +1.63% |
|
| 10/09/2009 | 4.20 | 4.41 | 4.09 | 4.30 | 46,246 | +2.14% |
|
| 10/08/2009 | 4.58 | 4.58 | 4.06 | 4.21 | 39,389 | +3.44% |
|
| 10/07/2009 | 4.08 | 4.14 | 4.05 | 4.07 | 22,754 | -0.73% |
|
| 10/06/2009 | 4.06 | 4.17 | 4.05 | 4.10 | 40,529 | +1.74% |
|
| 10/05/2009 | 3.92 | 4.10 | 3.92 | 4.03 | 35,933 | +0.25% |
|
| 10/02/2009 | 4.11 | 4.16 | 4.02 | 4.02 | 64,729 | -0.25% |
|
| 10/01/2009 | 4.18 | 4.32 | 4.03 | 4.03 | 54,045 | -4.05% |
|
| 09/30/2009 | 4.55 | 4.56 | 4.20 | 4.20 | 77,280 | -8.10% |
|
| 09/29/2009 | 4.55 | 4.65 | 4.37 | 4.57 | 18,943 | +0.88% |
|
| 09/28/2009 | 4.39 | 4.58 | 4.31 | 4.53 | 37,777 | +3.90% |
|
| 09/25/2009 | 4.36 | 4.55 | 4.31 | 4.36 | 42,489 | -0.46% |
|
| 09/24/2009 | 4.53 | 4.63 | 4.32 | 4.38 | 42,659 | -2.45% |
|
| 09/23/2009 | 4.55 | 4.73 | 4.46 | 4.49 | 41,630 | -0.66% |
|
| 09/22/2009 | 4.49 | 4.55 | 4.26 | 4.52 | 30,200 | +1.12% |
|
| 09/21/2009 | 4.53 | 4.63 | 4.46 | 4.47 | 16,234 | -1.97% |
|
| 09/18/2009 | 4.82 | 4.88 | 4.56 | 4.56 | 114,952 | -5.00% |
|
| 09/17/2009 | 4.55 | 4.81 | 4.44 | 4.80 | 34,970 | +5.49% |
|
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