| Date | Open | High | Low | Close | Volume | Change % | Historical Rating |
|---|---|---|---|---|---|---|---|
| 02/09/2010 | 4.07 | 4.18 | 4.00 | 4.17 | 22,841 |  +3.22% |
 |
| 02/08/2010 | 3.99 | 4.08 | 3.96 | 4.04 | 21,416 | +1.00% |
|
| 02/05/2010 | 3.88 | 4.04 | 3.86 | 4.00 | 31,274 | +3.09% |
|
| 02/04/2010 | 3.90 | 4.00 | 3.86 | 3.88 | 37,987 |  0.00% |
|
| 02/03/2010 | 3.86 | 3.92 | 3.86 | 3.88 | 29,323 | +0.52% |
|
| 02/02/2010 | 3.91 | 4.00 | 3.80 | 3.86 | 37,537 | -1.28% |
|
| 02/01/2010 | 3.85 | 4.00 | 3.82 | 3.91 | 26,215 | +2.09% |
|
| 01/29/2010 | 3.85 | 4.03 | 3.82 | 3.83 | 29,970 | -1.03% |
|
| 01/28/2010 | 3.99 | 4.02 | 3.85 | 3.87 | 22,441 | -2.76% |
|
| 01/27/2010 | 3.86 | 4.01 | 3.81 | 3.98 | 9,015 | +2.58% |
|
| 01/26/2010 | 4.00 | 4.02 | 3.87 | 3.88 | 21,976 | -3.48% |
|
| 01/25/2010 | 4.04 | 4.04 | 3.90 | 4.02 | 18,003 | +0.50% |
|
| 01/22/2010 | 3.96 | 4.04 | 3.90 | 4.00 | 17,768 | -0.99% |
|
| 01/21/2010 | 4.11 | 4.25 | 4.03 | 4.04 | 39,156 | -1.46% |
|
| 01/20/2010 | 4.16 | 4.16 | 3.96 | 4.10 | 16,364 | -2.38% |
|
| 01/19/2010 | 3.95 | 4.21 | 3.95 | 4.20 | 25,665 | +6.87% |
 |
| 01/15/2010 | 4.08 | 4.14 | 3.84 | 3.93 | 48,063 | -2.72% |
|
| 01/14/2010 | 4.09 | 4.14 | 4.02 | 4.04 | 8,769 | -1.94% |
|
| 01/13/2010 | 3.85 | 4.15 | 3.84 | 4.12 | 31,964 | +8.14% |
|
| 01/12/2010 | 3.90 | 3.90 | 3.80 | 3.81 | 26,546 | -3.30% |
|
| 01/11/2010 | 4.05 | 4.17 | 3.91 | 3.94 | 45,538 | -1.50% |
|
| 01/08/2010 | 3.92 | 4.00 | 3.91 | 4.00 | 9,620 | +2.04% |
|
| 01/07/2010 | 3.83 | 4.00 | 3.83 | 3.92 | 22,344 | +2.62% |
|
| 01/06/2010 | 4.20 | 4.33 | 3.81 | 3.82 | 49,669 | -9.26% |
|
| 01/05/2010 | 4.43 | 4.43 | 4.19 | 4.21 | 16,773 | -5.18% |
|
| 01/04/2010 | 4.15 | 4.58 | 4.11 | 4.44 | 44,500 | +9.90% |
|
| 12/31/2009 | 4.10 | 4.18 | 3.96 | 4.04 | 20,683 | -1.70% |
|
| 12/30/2009 | 4.01 | 4.11 | 3.99 | 4.11 | 34,529 | +3.01% |
|
| 12/29/2009 | 3.98 | 4.01 | 3.94 | 3.99 | 15,070 | +0.76% |
|
| 12/28/2009 | 3.85 | 4.01 | 3.84 | 3.96 | 20,317 | +3.94% |
|
| 12/24/2009 | 3.99 | 3.99 | 3.80 | 3.81 | 3,773 | -3.05% |
|
| 12/23/2009 | 3.81 | 3.97 | 3.81 | 3.93 | 13,111 | +4.24% |
|
| 12/22/2009 | 4.04 | 4.04 | 3.75 | 3.77 | 25,638 | -6.22% |
|
| 12/21/2009 | 4.00 | 4.06 | 3.98 | 4.02 | 23,713 | +1.26% |
|
| 12/18/2009 | 3.91 | 3.97 | 3.84 | 3.97 | 65,359 | +3.12% |
|
| 12/17/2009 | 3.75 | 3.87 | 3.75 | 3.85 | 34,559 | +2.12% |
|
| 12/16/2009 | 3.80 | 3.81 | 3.74 | 3.77 | 21,112 | +0.53% |
|
| 12/15/2009 | 3.83 | 3.87 | 3.75 | 3.75 | 26,379 | -2.34% |
|
| 12/14/2009 | 3.87 | 3.90 | 3.80 | 3.84 | 12,646 | +0.52% |
|
| 12/11/2009 | 3.83 | 3.95 | 3.80 | 3.82 | 13,967 | +1.06% |
|
| 12/10/2009 | 3.84 | 3.84 | 3.77 | 3.78 | 17,620 | -0.53% |
|
| 12/09/2009 | 3.76 | 3.84 | 3.75 | 3.80 | 27,797 | +0.53% |
|
| 12/08/2009 | 4.01 | 4.10 | 3.72 | 3.78 | 54,080 | -4.06% |
|
| 12/07/2009 | 3.85 | 3.94 | 3.76 | 3.94 | 24,675 | +2.34% |
|
| 12/04/2009 | 3.90 | 3.98 | 3.70 | 3.85 | 25,664 | +1.58% |
|
| 12/03/2009 | 4.14 | 4.24 | 3.78 | 3.79 | 15,391 | -7.79% |
|
| 12/02/2009 | 3.98 | 4.15 | 3.94 | 4.11 | 21,090 | +5.93% |
|
| 12/01/2009 | 3.75 | 4.01 | 3.67 | 3.88 | 30,063 | +5.15% |
|
| 11/30/2009 | 3.73 | 3.83 | 3.65 | 3.69 | 31,105 | -0.81% |
|
| 11/27/2009 | 3.60 | 3.75 | 3.60 | 3.72 | 25,175 | -1.59% |
|
| 11/25/2009 | 3.88 | 3.99 | 3.77 | 3.78 | 9,113 | -2.07% |
|
| 11/24/2009 | 3.95 | 3.95 | 3.81 | 3.86 | 8,617 | -3.02% |
|
| 11/23/2009 | 3.90 | 4.08 | 3.88 | 3.98 | 25,095 | +3.38% |
|
| 11/20/2009 | 3.85 | 4.10 | 3.81 | 3.85 | 17,177 | -0.77% |
|
| 11/19/2009 | 3.95 | 4.17 | 3.88 | 3.88 | 13,365 | -1.27% |
|
| 11/18/2009 | 3.85 | 4.15 | 3.85 | 3.93 | 12,681 | 0.00% |
|
| 11/17/2009 | 4.09 | 4.09 | 3.87 | 3.93 | 14,599 | -4.84% |
|
| 11/16/2009 | 3.87 | 4.33 | 3.75 | 4.13 | 18,997 | +8.40% |
|
| 11/13/2009 | 3.86 | 4.16 | 3.70 | 3.81 | 18,209 | +0.26% |
|
| 11/12/2009 | 3.81 | 4.21 | 3.76 | 3.80 | 20,880 | -7.09% |
|
| 11/11/2009 | 4.12 | 4.38 | 4.01 | 4.09 | 9,058 | +0.99% |
|
| 11/10/2009 | 4.06 | 4.37 | 4.05 | 4.05 | 18,733 | -0.74% |
|
| 11/09/2009 | 4.02 | 4.24 | 3.95 | 4.08 | 20,907 | +1.75% |
|
| 11/06/2009 | 3.92 | 4.06 | 3.85 | 4.01 | 11,045 | +0.25% |
|
| 11/05/2009 | 3.80 | 4.03 | 3.80 | 4.00 | 20,251 | +6.67% |
|
| 11/04/2009 | 3.87 | 3.87 | 3.71 | 3.75 | 47,228 | -2.60% |
|
| 11/03/2009 | 3.86 | 3.88 | 3.75 | 3.85 | 20,633 | -1.03% |
|
| 11/02/2009 | 3.86 | 3.94 | 3.85 | 3.89 | 12,957 | +0.78% |
|
| 10/30/2009 | 4.00 | 4.00 | 3.85 | 3.86 | 41,785 | -4.69% |
|
| 10/29/2009 | 3.99 | 4.09 | 3.95 | 4.05 | 25,906 | +3.32% |
|
| 10/28/2009 | 4.02 | 4.22 | 3.92 | 3.92 | 33,900 | -2.24% |
|
| 10/27/2009 | 3.76 | 4.24 | 3.76 | 4.01 | 35,619 | +5.80% |
|
| 10/26/2009 | 3.86 | 3.98 | 3.79 | 3.79 | 33,452 | -0.26% |
|
| 10/23/2009 | 4.00 | 4.08 | 3.80 | 3.80 | 21,842 | -5.00% |
|
| 10/22/2009 | 4.24 | 4.48 | 3.78 | 4.00 | 48,167 | -5.66% |
|
| 10/21/2009 | 4.49 | 4.93 | 4.21 | 4.24 | 19,995 | -5.57% |
|
| 10/20/2009 | 4.69 | 4.69 | 4.49 | 4.49 | 9,401 | -3.85% |
|
| 10/19/2009 | 4.68 | 4.74 | 4.37 | 4.67 | 13,412 | +0.65% |
|
| 10/16/2009 | 4.76 | 5.13 | 4.48 | 4.64 | 25,854 | -3.33% |
|
| 10/15/2009 | 4.93 | 5.07 | 4.80 | 4.80 | 15,913 | -3.23% |
|
| 10/14/2009 | 4.88 | 5.16 | 4.88 | 4.96 | 17,028 | +3.55% |
|
| 10/13/2009 | 4.93 | 4.93 | 4.73 | 4.79 | 17,050 | -3.62% |
|
| 10/12/2009 | 5.25 | 5.30 | 4.95 | 4.97 | 14,078 | -3.87% |
|
| 10/09/2009 | 5.06 | 5.23 | 5.00 | 5.17 | 64,639 | +1.37% |
|
| 10/08/2009 | 4.99 | 5.16 | 4.99 | 5.10 | 70,754 | +2.82% |
|
| 10/07/2009 | 4.86 | 4.96 | 4.80 | 4.96 | 20,989 | +1.85% |
|
| 10/06/2009 | 4.54 | 4.94 | 4.42 | 4.87 | 11,001 | +7.74% |
|
| 10/05/2009 | 4.78 | 5.00 | 4.51 | 4.52 | 26,068 | -4.64% |
|
| 10/02/2009 | 4.67 | 5.05 | 4.67 | 4.74 | 42,451 | -0.21% |
|
| 10/01/2009 | 4.80 | 5.21 | 4.75 | 4.75 | 20,045 | -1.25% |
|
| 09/30/2009 | 5.13 | 5.33 | 4.81 | 4.81 | 89,389 | -5.87% |
|
| 09/29/2009 | 5.10 | 5.16 | 4.95 | 5.11 | 17,763 | -1.73% |
|
| 09/28/2009 | 5.07 | 5.20 | 4.84 | 5.20 | 42,303 | +4.21% |
|
| 09/25/2009 | 5.07 | 5.07 | 4.95 | 4.99 | 13,186 | -1.77% |
|
| 09/24/2009 | 5.11 | 5.29 | 5.00 | 5.08 | 19,790 | -0.39% |
|
| 09/23/2009 | 5.12 | 5.35 | 5.10 | 5.10 | 17,349 | -0.97% |
|
| 09/22/2009 | 5.11 | 5.27 | 4.98 | 5.15 | 22,323 | +1.58% |
|
| 09/21/2009 | 5.04 | 5.38 | 5.01 | 5.07 | 5,837 | +0.80% |
|
| 09/18/2009 | 5.05 | 5.13 | 4.95 | 5.03 | 93,207 | 0.00% |
|
| 09/17/2009 | 4.62 | 5.16 | 4.62 | 5.03 | 47,189 | -0.59% |
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