| Date | Open | High | Low | Close | Volume | Change % | Historical Rating |
|---|---|---|---|---|---|---|---|
| 02/09/2010 | 4.59 | 4.75 | 4.58 | 4.72 | 23,345 |  +3.60% |
 |
| 02/08/2010 | 4.65 | 4.67 | 4.52 | 4.56 | 23,520 |  -1.81% |
|
| 02/05/2010 | 4.87 | 4.99 | 4.64 | 4.64 | 64,406 | -4.33% |
|
| 02/04/2010 | 4.99 | 4.99 | 4.82 | 4.85 | 55,709 | -4.90% |
|
| 02/03/2010 | 4.95 | 5.10 | 4.94 | 5.10 | 32,398 | +2.82% |
|
| 02/02/2010 | 4.79 | 5.05 | 4.75 | 4.96 | 88,172 | +2.48% |
|
| 02/01/2010 | 4.50 | 5.00 | 4.50 | 4.84 | 44,158 | +6.84% |
|
| 01/29/2010 | 4.64 | 4.67 | 4.51 | 4.53 | 68,348 | -2.95% |
|
| 01/28/2010 | 4.66 | 4.77 | 4.52 | 4.67 | 70,200 | +1.48% |
|
| 01/27/2010 | 4.56 | 4.62 | 4.56 | 4.60 | 4,600 | 0.00% |
|
| 01/26/2010 | 4.64 | 4.75 | 4.44 | 4.60 | 36,536 | -1.08% |
|
| 01/25/2010 | 4.65 | 4.70 | 4.60 | 4.65 | 24,946 | +0.65% |
|
| 01/22/2010 | 4.62 | 4.67 | 4.58 | 4.62 | 52,921 | -0.43% |
|
| 01/21/2010 | 4.67 | 4.67 | 4.62 | 4.64 | 22,784 | +0.87% |
|
| 01/20/2010 | 4.60 | 4.64 | 4.57 | 4.60 | 25,310 | -0.65% |
|
| 01/19/2010 | 4.45 | 4.63 | 4.36 | 4.63 | 20,113 | +3.58% |
 |
| 01/15/2010 | 4.56 | 4.56 | 4.46 | 4.47 | 58,217 | -1.53% |
|
| 01/14/2010 | 4.53 | 4.56 | 4.52 | 4.54 | 19,768 | -0.45% |
|
| 01/13/2010 | 4.52 | 4.56 | 4.52 | 4.56 | 26,923 | 0.00% |
|
| 01/12/2010 | 4.59 | 4.60 | 4.54 | 4.56 | 16,053 | -0.22% |
|
| 01/11/2010 | 4.59 | 4.59 | 4.54 | 4.57 | 44,305 | +1.11% |
|
| 01/08/2010 | 4.65 | 4.66 | 4.41 | 4.52 | 47,100 | +2.03% |
|
| 01/07/2010 | 4.60 | 4.60 | 4.41 | 4.43 | 29,256 | -3.70% |
|
| 01/06/2010 | 4.56 | 4.71 | 4.56 | 4.60 | 37,166 | +0.62% |
|
| 01/05/2010 | 4.67 | 4.70 | 4.51 | 4.57 | 38,292 | -2.11% |
|
| 01/04/2010 | 4.39 | 4.67 | 4.39 | 4.67 | 18,854 | +6.77% |
|
| 12/31/2009 | 4.31 | 4.41 | 4.31 | 4.37 | 13,827 | -1.66% |
|
| 12/30/2009 | 4.49 | 4.54 | 4.43 | 4.45 | 5,221 | -0.41% |
|
| 12/29/2009 | 4.58 | 4.67 | 4.46 | 4.47 | 30,277 | -1.93% |
|
| 12/28/2009 | 4.44 | 4.60 | 4.44 | 4.55 | 32,300 | +0.98% |
|
| 12/24/2009 | 4.28 | 4.57 | 4.28 | 4.51 | 25,644 | +4.40% |
|
| 12/23/2009 | 4.03 | 4.37 | 4.03 | 4.32 | 35,969 | +5.11% |
|
| 12/22/2009 | 4.13 | 4.15 | 4.03 | 4.11 | 6,901 | -0.24% |
|
| 12/21/2009 | 3.91 | 4.16 | 3.91 | 4.12 | 20,842 | +5.37% |
|
| 12/18/2009 | 4.02 | 4.03 | 3.91 | 3.91 | 23,800 | -1.01% |
|
| 12/17/2009 | 3.95 | 4.02 | 3.95 | 3.95 | 53,900 | -1.25% |
|
| 12/16/2009 | 4.01 | 4.05 | 4.00 | 4.00 | 59,902 | -0.25% |
|
| 12/15/2009 | 4.05 | 4.10 | 4.01 | 4.01 | 21,100 | -1.23% |
|
| 12/14/2009 | 3.75 | 4.06 | 3.75 | 4.06 | 53,312 | +1.75% |
|
| 12/11/2009 | 3.96 | 4.01 | 3.95 | 3.99 | 27,617 | -0.25% |
|
| 12/10/2009 | 4.00 | 4.01 | 3.97 | 4.00 | 55,277 | +0.76% |
|
| 12/09/2009 | 4.00 | 4.00 | 3.85 | 3.97 | 29,343 | +2.85% |
|
| 12/08/2009 | 3.77 | 3.87 | 3.76 | 3.86 | 27,999 | +1.85% |
|
| 12/07/2009 | 3.95 | 3.95 | 3.77 | 3.79 | 28,500 | -4.29% |
|
| 12/04/2009 | 4.00 | 4.04 | 3.96 | 3.96 | 63,425 | -0.25% |
|
| 12/03/2009 | 3.95 | 4.00 | 3.95 | 3.97 | 30,993 | -0.50% |
|
| 12/02/2009 | 4.00 | 4.00 | 3.95 | 3.99 | 24,344 | 0.00% |
|
| 12/01/2009 | 3.85 | 4.10 | 3.85 | 3.99 | 21,747 | +3.64% |
|
| 11/30/2009 | 3.90 | 3.98 | 3.78 | 3.85 | 30,495 | -1.74% |
|
| 11/27/2009 | 3.90 | 4.00 | 3.78 | 3.92 | 3,488 | -0.81% |
|
| 11/25/2009 | 4.00 | 4.00 | 3.95 | 3.95 | 9,750 | -1.00% |
|
| 11/24/2009 | 3.98 | 4.06 | 3.98 | 3.99 | 16,172 | -0.74% |
|
| 11/23/2009 | 4.02 | 4.05 | 3.99 | 4.02 | 15,240 | +1.01% |
|
| 11/20/2009 | 4.00 | 4.00 | 3.92 | 3.98 | 38,833 | +1.02% |
|
| 11/19/2009 | 4.00 | 4.00 | 3.91 | 3.94 | 22,050 | -0.51% |
|
| 11/18/2009 | 4.06 | 4.43 | 3.80 | 3.96 | 99,062 | -1.25% |
|
| 11/17/2009 | 4.50 | 4.50 | 4.01 | 4.01 | 119,677 | -8.86% |
|
| 11/16/2009 | 3.85 | 4.50 | 3.85 | 4.40 | 159,016 | +7.58% |
|
| 11/13/2009 | 3.80 | 4.32 | 3.73 | 4.09 | 252,164 | +13.93% |
 |
| 11/12/2009 | 3.67 | 3.67 | 3.59 | 3.59 | 10,619 | -1.64% |
|
| 11/11/2009 | 3.63 | 3.69 | 3.50 | 3.65 | 24,475 | +1.96% |
|
| 11/10/2009 | 3.74 | 3.74 | 3.55 | 3.58 | 14,700 | -0.56% |
|
| 11/09/2009 | 3.40 | 3.60 | 3.40 | 3.60 | 28,596 | +5.88% |
|
| 11/06/2009 | 3.37 | 3.40 | 3.36 | 3.40 | 5,329 | 0.00% |
|
| 11/05/2009 | 3.36 | 3.50 | 3.30 | 3.40 | 24,513 | +1.80% |
|
| 11/04/2009 | 3.43 | 3.44 | 3.34 | 3.34 | 47,571 | -2.62% |
|
| 11/03/2009 | 3.45 | 3.45 | 3.39 | 3.43 | 66,800 | +0.59% |
|
| 11/02/2009 | 3.45 | 3.45 | 3.38 | 3.41 | 51,400 | -0.58% |
|
| 10/30/2009 | 3.41 | 3.45 | 3.25 | 3.43 | 71,952 | +0.59% |
|
| 10/29/2009 | 3.47 | 3.52 | 3.41 | 3.41 | 63,291 | -0.29% |
|
| 10/28/2009 | 3.58 | 3.59 | 3.40 | 3.42 | 24,997 | -3.93% |
|
| 10/27/2009 | 3.67 | 3.70 | 3.50 | 3.56 | 3,350 | -2.47% |
|
| 10/26/2009 | 3.85 | 3.86 | 3.55 | 3.65 | 27,326 | -3.69% |
|
| 10/23/2009 | 3.75 | 3.95 | 3.73 | 3.79 | 97,188 | +2.16% |
|
| 10/22/2009 | 3.60 | 3.83 | 3.60 | 3.71 | 39,776 | +3.06% |
|
| 10/21/2009 | 3.45 | 3.61 | 3.45 | 3.60 | 17,944 | +2.86% |
|
| 10/20/2009 | 3.50 | 3.57 | 3.48 | 3.50 | 11,150 | -2.23% |
|
| 10/19/2009 | 3.54 | 3.60 | 3.54 | 3.58 | 23,650 | +2.29% |
|
| 10/16/2009 | 3.57 | 3.58 | 3.35 | 3.50 | 19,200 | -1.41% |
|
| 10/15/2009 | 3.45 | 3.57 | 3.45 | 3.55 | 11,716 | +2.60% |
|
| 10/14/2009 | 3.43 | 3.48 | 3.43 | 3.46 | 17,345 | +0.29% |
|
| 10/13/2009 | 3.54 | 3.54 | 3.45 | 3.45 | 20,942 | -1.99% |
|
| 10/12/2009 | 3.20 | 3.59 | 3.20 | 3.52 | 43,020 | +8.98% |
|
| 10/09/2009 | 3.24 | 3.24 | 3.18 | 3.23 | 5,700 | 0.00% |
|
| 10/08/2009 | 3.11 | 3.25 | 3.09 | 3.23 | 44,166 | +5.56% |
|
| 10/07/2009 | 3.19 | 3.19 | 3.02 | 3.06 | 25,650 | +1.66% |
|
| 10/06/2009 | 2.95 | 3.04 | 2.95 | 3.01 | 77,375 | +2.38% |
|
| 10/05/2009 | 2.96 | 3.00 | 2.94 | 2.94 | 136,521 | -0.34% |
|
| 10/02/2009 | 2.98 | 3.01 | 2.90 | 2.95 | 102,659 | -0.67% |
|
| 10/01/2009 | 2.97 | 3.04 | 2.97 | 2.97 | 35,479 | 0.00% |
|
| 09/30/2009 | 2.93 | 2.99 | 2.93 | 2.97 | 6,900 | +0.34% |
|
| 09/29/2009 | 3.01 | 3.21 | 2.91 | 2.96 | 49,717 | -0.34% |
|
| 09/28/2009 | 2.98 | 2.99 | 2.95 | 2.97 | 9,800 | -0.67% |
|
| 09/25/2009 | 3.00 | 3.00 | 2.98 | 2.99 | 28,270 | -0.33% |
|
| 09/24/2009 | 2.96 | 3.00 | 2.96 | 3.00 | 20,386 | +0.33% |
|
| 09/23/2009 | 3.10 | 3.10 | 2.99 | 2.99 | 130,300 | -2.92% |
|
| 09/22/2009 | 3.04 | 3.08 | 3.00 | 3.08 | 11,260 | +3.01% |
|
| 09/21/2009 | 2.89 | 3.02 | 2.89 | 2.99 | 37,299 | +0.34% |
|
| 09/18/2009 | 3.00 | 3.05 | 2.98 | 2.98 | 44,950 | -1.00% |
|
| 09/17/2009 | 3.09 | 3.11 | 3.00 | 3.01 | 27,951 | -4.14% |
|
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