| Date | Open | High | Low | Close | Volume | Change % | Historical Rating |
|---|---|---|---|---|---|---|---|
| 02/09/2010 | 3.99 | 4.01 | 3.87 | 3.92 | 59,884 |  -0.76% |
 |
| 02/08/2010 | 4.07 | 4.07 | 3.95 | 3.95 | 27,195 | -2.71% |
|
| 02/05/2010 | 4.15 | 4.16 | 4.06 | 4.06 | 45,673 | -2.17% |
|
| 02/04/2010 | 4.10 | 4.20 | 4.05 | 4.15 | 68,689 |  +0.24% |
|
| 02/03/2010 | 4.08 | 4.19 | 4.08 | 4.14 | 54,654 | +0.73% |
|
| 02/02/2010 | 4.06 | 4.14 | 4.06 | 4.11 | 50,663 | +0.98% |
|
| 02/01/2010 | 4.23 | 4.23 | 4.05 | 4.07 | 44,381 | -3.78% |
|
| 01/29/2010 | 4.25 | 4.29 | 4.18 | 4.23 | 42,805 | -0.94% |
|
| 01/28/2010 | 4.34 | 4.34 | 4.13 | 4.27 | 36,643 | -1.61% |
|
| 01/27/2010 | 4.14 | 4.40 | 4.14 | 4.34 | 25,616 | +4.08% |
|
| 01/26/2010 | 4.16 | 4.29 | 4.09 | 4.17 | 38,812 | -0.71% |
|
| 01/25/2010 | 4.16 | 4.37 | 4.09 | 4.20 | 40,248 | +1.45% |
|
| 01/22/2010 | 4.39 | 4.47 | 4.12 | 4.14 | 149,866 | -5.91% |
|
| 01/21/2010 | 4.45 | 4.50 | 4.40 | 4.40 | 99,967 | -1.35% |
|
| 01/20/2010 | 4.42 | 4.48 | 4.36 | 4.46 | 59,127 | +0.22% |
|
| 01/19/2010 | 4.42 | 4.46 | 4.34 | 4.45 | 79,198 | +1.37% |
|
| 01/15/2010 | 4.34 | 4.50 | 4.33 | 4.39 | 88,399 | +1.62% |
|
| 01/14/2010 | 4.16 | 4.38 | 4.16 | 4.32 | 60,882 | +3.35% |
|
| 01/13/2010 | 4.15 | 4.20 | 4.13 | 4.18 | 115,868 | +1.21% |
|
| 01/12/2010 | 4.14 | 4.15 | 4.06 | 4.13 | 66,820 | -0.48% |
|
| 01/11/2010 | 4.15 | 4.18 | 4.11 | 4.15 | 38,852 | -0.72% |
|
| 01/08/2010 | 4.13 | 4.18 | 4.09 | 4.18 | 23,790 | +0.72% |
|
| 01/07/2010 | 4.15 | 4.16 | 4.12 | 4.15 | 25,759 | +0.24% |
|
| 01/06/2010 | 4.14 | 4.17 | 4.07 | 4.14 | 31,152 | -0.48% |
|
| 01/05/2010 | 4.19 | 4.28 | 4.15 | 4.16 | 41,433 | -1.19% |
|
| 01/04/2010 | 4.06 | 4.21 | 4.05 | 4.21 | 47,001 | +3.69% |
|
| 12/31/2009 | 3.98 | 4.09 | 3.95 | 4.06 | 47,546 | +1.50% |
|
| 12/30/2009 | 4.00 | 4.02 | 3.95 | 4.00 | 71,035 | 0.00% |
|
| 12/29/2009 | 4.00 | 4.02 | 3.96 | 4.00 | 38,929 | -0.25% |
|
| 12/28/2009 | 3.99 | 4.05 | 3.99 | 4.01 | 111,861 | +1.01% |
|
| 12/24/2009 | 3.99 | 4.00 | 3.82 | 3.97 | 21,063 | 0.00% |
|
| 12/23/2009 | 4.00 | 4.08 | 3.95 | 3.97 | 67,135 | -0.50% |
|
| 12/22/2009 | 3.99 | 4.12 | 3.97 | 3.99 | 57,174 | -0.25% |
|
| 12/21/2009 | 4.01 | 4.04 | 3.81 | 4.00 | 79,980 | 0.00% |
|
| 12/18/2009 | 3.70 | 4.10 | 3.69 | 4.00 | 186,784 | +9.29% |
|
| 12/17/2009 | 3.58 | 3.68 | 3.57 | 3.66 | 70,051 | +1.95% |
|
| 12/16/2009 | 3.60 | 3.62 | 3.58 | 3.59 | 99,198 | +1.13% |
|
| 12/15/2009 | 3.61 | 3.67 | 3.54 | 3.55 | 152,815 | -1.93% |
|
| 12/14/2009 | 3.69 | 3.71 | 3.62 | 3.62 | 85,310 | -1.90% |
|
| 12/11/2009 | 3.69 | 3.72 | 3.68 | 3.69 | 61,148 | 0.00% |
|
| 12/10/2009 | 3.70 | 3.75 | 3.65 | 3.69 | 137,427 | -0.81% |
 |
| 12/09/2009 | 3.77 | 3.82 | 3.64 | 3.72 | 466,120 | -1.33% |
|
| 12/08/2009 | 3.75 | 3.81 | 3.70 | 3.77 | 76,092 | -0.26% |
|
| 12/07/2009 | 3.75 | 3.80 | 3.72 | 3.78 | 107,310 | +0.80% |
|
| 12/04/2009 | 3.78 | 3.80 | 3.74 | 3.75 | 161,571 | +0.27% |
|
| 12/03/2009 | 3.80 | 3.80 | 3.70 | 3.74 | 82,880 | -1.58% |
|
| 12/02/2009 | 3.84 | 3.87 | 3.75 | 3.80 | 139,024 | -0.78% |
|
| 12/01/2009 | 3.92 | 3.92 | 3.79 | 3.83 | 458,859 | -1.29% |
|
| 11/30/2009 | 4.18 | 4.18 | 3.83 | 3.88 | 141,471 | -7.40% |
|
| 11/27/2009 | 4.21 | 4.26 | 4.13 | 4.19 | 39,993 | -2.10% |
|
| 11/25/2009 | 4.36 | 4.37 | 4.23 | 4.28 | 31,702 | -1.61% |
|
| 11/24/2009 | 4.45 | 4.45 | 4.30 | 4.35 | 93,495 | -2.90% |
|
| 11/23/2009 | 4.48 | 4.50 | 4.45 | 4.48 | 36,708 | +0.67% |
|
| 11/20/2009 | 4.32 | 4.45 | 4.32 | 4.45 | 54,263 | +2.53% |
|
| 11/19/2009 | 4.40 | 4.45 | 4.30 | 4.34 | 51,118 | -1.81% |
|
| 11/18/2009 | 4.40 | 4.45 | 4.36 | 4.42 | 16,585 | +0.68% |
|
| 11/17/2009 | 4.39 | 4.48 | 4.35 | 4.39 | 34,068 | -0.23% |
|
| 11/16/2009 | 4.33 | 4.43 | 4.25 | 4.40 | 70,312 | +2.09% |
|
| 11/13/2009 | 4.13 | 4.33 | 4.11 | 4.31 | 25,867 | +4.36% |
|
| 11/12/2009 | 4.35 | 4.41 | 4.11 | 4.13 | 254,783 | -5.71% |
|
| 11/11/2009 | 4.40 | 4.45 | 4.31 | 4.38 | 39,327 | 0.00% |
|
| 11/10/2009 | 4.36 | 4.43 | 4.31 | 4.38 | 26,038 | -0.45% |
|
| 11/09/2009 | 4.40 | 4.44 | 4.20 | 4.40 | 43,313 | 0.00% |
|
| 11/06/2009 | 4.48 | 4.53 | 4.31 | 4.40 | 40,872 | -2.44% |
|
| 11/05/2009 | 4.31 | 4.53 | 4.30 | 4.51 | 25,518 | +5.13% |
|
| 11/04/2009 | 4.26 | 4.39 | 4.26 | 4.29 | 37,845 | -2.28% |
|
| 11/03/2009 | 4.35 | 4.42 | 4.29 | 4.39 | 22,218 | +0.46% |
|
| 11/02/2009 | 4.59 | 4.59 | 4.15 | 4.37 | 121,978 | -4.59% |
|
| 10/30/2009 | 4.63 | 4.66 | 4.50 | 4.58 | 39,013 | -2.35% |
|
| 10/29/2009 | 4.69 | 4.70 | 4.57 | 4.69 | 43,949 | +0.64% |
|
| 10/28/2009 | 4.81 | 4.99 | 4.59 | 4.66 | 36,169 | -3.72% |
|
| 10/27/2009 | 4.83 | 4.95 | 4.83 | 4.84 | 51,787 | -0.82% |
|
| 10/26/2009 | 5.01 | 5.01 | 4.85 | 4.88 | 46,952 | -2.79% |
|
| 10/23/2009 | 5.24 | 5.24 | 4.96 | 5.02 | 63,190 | -4.20% |
|
| 10/22/2009 | 4.83 | 5.30 | 4.58 | 5.24 | 85,864 | +7.82% |
|
| 10/21/2009 | 4.72 | 4.94 | 4.72 | 4.86 | 61,963 | +2.75% |
|
| 10/20/2009 | 4.77 | 4.77 | 4.66 | 4.73 | 56,783 | -0.63% |
|
| 10/19/2009 | 4.55 | 4.76 | 4.50 | 4.76 | 67,322 | +5.54% |
|
| 10/16/2009 | 4.43 | 4.54 | 4.43 | 4.51 | 47,251 | +1.35% |
|
| 10/15/2009 | 4.36 | 4.49 | 4.27 | 4.45 | 59,890 | +0.23% |
|
| 10/14/2009 | 4.33 | 4.48 | 4.22 | 4.44 | 32,731 | +3.26% |
|
| 10/13/2009 | 4.40 | 4.46 | 4.26 | 4.30 | 17,145 | -0.69% |
|
| 10/12/2009 | 4.42 | 4.48 | 4.28 | 4.33 | 31,321 | -2.04% |
|
| 10/09/2009 | 4.40 | 4.50 | 4.35 | 4.42 | 34,239 | +0.91% |
|
| 10/08/2009 | 4.27 | 4.44 | 4.25 | 4.38 | 31,450 | +3.55% |
|
| 10/07/2009 | 4.15 | 4.24 | 4.15 | 4.23 | 57,968 | +0.71% |
|
| 10/06/2009 | 4.24 | 4.25 | 4.10 | 4.20 | 395,341 | 0.00% |
|
| 10/05/2009 | 4.21 | 4.28 | 4.16 | 4.20 | 28,385 | 0.00% |
|
| 10/02/2009 | 4.18 | 4.25 | 4.18 | 4.20 | 29,859 | +0.72% |
|
| 10/01/2009 | 4.20 | 4.20 | 4.17 | 4.17 | 52,039 | -0.71% |
|
| 09/30/2009 | 4.41 | 4.41 | 4.15 | 4.20 | 106,610 | -4.33% |
|
| 09/29/2009 | 4.48 | 4.49 | 4.36 | 4.39 | 14,596 | -2.23% |
|
| 09/28/2009 | 4.42 | 4.60 | 4.42 | 4.49 | 81,191 | +1.81% |
|
| 09/25/2009 | 4.28 | 4.60 | 4.26 | 4.41 | 45,349 | +3.04% |
|
| 09/24/2009 | 4.36 | 4.41 | 4.27 | 4.28 | 42,547 | -3.60% |
|
| 09/23/2009 | 4.43 | 4.51 | 4.40 | 4.44 | 28,990 | 0.00% |
|
| 09/22/2009 | 4.46 | 4.56 | 4.40 | 4.44 | 85,699 | 0.00% |
|
| 09/21/2009 | 4.53 | 4.61 | 4.35 | 4.44 | 25,796 | -3.69% |
|
| 09/18/2009 | 4.65 | 4.68 | 4.55 | 4.61 | 72,136 | -1.07% |
|
| 09/17/2009 | 4.63 | 4.79 | 4.60 | 4.66 | 87,218 | +0.22% |
|
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