| Date | Open | High | Low | Close | Volume | Change % | Historical Rating |
|---|---|---|---|---|---|---|---|
| 02/09/2010 | 4.08 | 4.18 | 4.08 | 4.11 | 23,659 |  +1.33% |
 |
| 02/08/2010 | 4.00 | 4.08 | 3.90 | 4.06 | 28,984 | +1.50% |
|
| 02/05/2010 | 4.00 | 4.07 | 3.91 | 4.00 | 62,303 | +1.78% |
|
| 02/04/2010 | 4.06 | 4.06 | 3.87 | 3.93 | 74,164 |  -3.68% |
|
| 02/03/2010 | 3.92 | 4.09 | 3.87 | 4.08 | 31,175 | +3.82% |
|
| 02/02/2010 | 4.01 | 4.08 | 3.76 | 3.93 | 24,175 | -1.75% |
|
| 02/01/2010 | 3.86 | 4.10 | 3.86 | 4.00 | 50,833 | -0.25% |
|
| 01/29/2010 | 3.98 | 4.10 | 3.96 | 4.01 | 58,137 | +3.89% |
|
| 01/28/2010 | 3.84 | 3.95 | 3.84 | 3.86 | 14,441 | +0.52% |
|
| 01/27/2010 | 3.86 | 3.98 | 3.80 | 3.84 | 20,627 | -0.78% |
|
| 01/26/2010 | 3.86 | 4.00 | 3.79 | 3.87 | 30,978 | +0.26% |
|
| 01/25/2010 | 4.00 | 4.01 | 3.86 | 3.86 | 24,850 | -0.77% |
|
| 01/22/2010 | 3.95 | 3.95 | 3.86 | 3.89 | 27,755 | -1.52% |
|
| 01/21/2010 | 4.06 | 4.12 | 3.92 | 3.95 | 34,056 | -2.71% |
|
| 01/20/2010 | 4.12 | 4.12 | 3.93 | 4.06 | 50,684 | -0.98% |
|
| 01/19/2010 | 4.00 | 4.16 | 3.97 | 4.10 | 24,334 | +2.50% |
|
| 01/15/2010 | 3.90 | 4.01 | 3.90 | 4.00 | 14,738 | +1.01% |
|
| 01/14/2010 | 3.92 | 3.99 | 3.90 | 3.96 | 11,726 | 0.00% |
|
| 01/13/2010 | 3.93 | 3.96 | 3.90 | 3.96 | 29,169 | 0.00% |
|
| 01/12/2010 | 4.03 | 4.04 | 3.96 | 3.96 | 34,307 | -2.22% |
|
| 01/11/2010 | 4.16 | 4.16 | 4.04 | 4.05 | 17,810 | -2.64% |
|
| 01/08/2010 | 4.09 | 4.19 | 4.09 | 4.16 | 12,784 | -0.72% |
|
| 01/07/2010 | 4.25 | 4.25 | 4.10 | 4.19 | 29,776 | -1.64% |
|
| 01/06/2010 | 4.28 | 4.30 | 4.10 | 4.26 | 56,149 | -0.23% |
|
| 01/05/2010 | 3.91 | 4.27 | 3.91 | 4.27 | 40,072 | +7.35% |
|
| 01/04/2010 | 4.15 | 4.15 | 3.90 | 3.98 | 54,636 | -1.55% |
|
| 12/31/2009 | 3.96 | 4.09 | 3.90 | 4.04 | 36,108 | +1.00% |
|
| 12/30/2009 | 3.83 | 4.07 | 3.83 | 4.00 | 56,793 | -1.72% |
|
| 12/29/2009 | 4.00 | 4.07 | 3.91 | 4.07 | 46,274 | +6.54% |
|
| 12/28/2009 | 3.75 | 3.86 | 3.75 | 3.82 | 23,047 | +1.87% |
|
| 12/24/2009 | 3.76 | 3.80 | 3.73 | 3.75 | 28,677 | +1.08% |
|
| 12/23/2009 | 3.71 | 3.80 | 3.71 | 3.71 | 49,090 | 0.00% |
|
| 12/22/2009 | 3.88 | 3.88 | 3.65 | 3.71 | 48,759 | -2.11% |
|
| 12/21/2009 | 3.76 | 3.80 | 3.71 | 3.79 | 34,494 | +0.80% |
|
| 12/18/2009 | 3.77 | 3.81 | 3.73 | 3.76 | 15,175 | -0.02% |
|
| 12/17/2009 | 3.87 | 3.88 | 3.71 | 3.76 | 34,270 | -4.07% |
|
| 12/16/2009 | 3.85 | 3.92 | 3.85 | 3.92 | 27,993 | +1.03% |
|
| 12/15/2009 | 3.97 | 3.97 | 3.85 | 3.88 | 12,717 | -2.02% |
|
| 12/14/2009 | 4.00 | 4.00 | 3.85 | 3.96 | 37,797 | -0.75% |
|
| 12/11/2009 | 3.96 | 3.99 | 3.89 | 3.99 | 17,019 | +1.01% |
 |
| 12/10/2009 | 3.95 | 3.95 | 3.88 | 3.95 | 11,025 | -0.75% |
|
| 12/09/2009 | 4.00 | 4.00 | 3.83 | 3.98 | 22,403 | -1.24% |
|
| 12/08/2009 | 4.22 | 4.24 | 3.87 | 4.03 | 43,045 | -4.73% |
|
| 12/07/2009 | 4.30 | 4.30 | 4.22 | 4.23 | 15,312 | -1.86% |
|
| 12/04/2009 | 4.40 | 4.43 | 4.22 | 4.31 | 72,650 | -0.01% |
|
| 12/03/2009 | 4.36 | 4.40 | 4.15 | 4.31 | 84,215 | +0.24% |
|
| 12/02/2009 | 4.02 | 4.40 | 4.00 | 4.30 | 66,293 | +6.44% |
|
| 12/01/2009 | 4.02 | 4.15 | 4.02 | 4.04 | 47,012 | -1.46% |
|
| 11/30/2009 | 4.08 | 4.10 | 3.99 | 4.10 | 27,586 | +2.76% |
|
| 11/27/2009 | 4.00 | 4.05 | 3.91 | 3.99 | 11,741 | -1.24% |
|
| 11/25/2009 | 4.03 | 4.05 | 4.00 | 4.04 | 14,375 | -1.46% |
|
| 11/24/2009 | 4.00 | 4.10 | 4.00 | 4.10 | 20,930 | +1.23% |
|
| 11/23/2009 | 4.15 | 4.23 | 4.00 | 4.05 | 38,274 | -0.49% |
|
| 11/20/2009 | 4.16 | 4.25 | 4.00 | 4.07 | 69,709 | -2.86% |
|
| 11/19/2009 | 4.09 | 4.23 | 3.97 | 4.19 | 51,953 | +3.71% |
|
| 11/18/2009 | 4.08 | 4.13 | 4.00 | 4.04 | 36,175 | -2.65% |
|
| 11/17/2009 | 3.93 | 4.23 | 3.92 | 4.15 | 155,295 | +6.14% |
|
| 11/16/2009 | 3.72 | 3.99 | 3.72 | 3.91 | 36,081 | +5.39% |
|
| 11/13/2009 | 3.90 | 3.90 | 3.67 | 3.71 | 73,953 | -4.63% |
|
| 11/12/2009 | 3.90 | 3.90 | 3.80 | 3.89 | 65,702 | +3.18% |
|
| 11/11/2009 | 3.99 | 3.99 | 3.75 | 3.77 | 39,849 | +0.53% |
|
| 11/10/2009 | 3.81 | 3.89 | 3.60 | 3.75 | 37,743 | -1.57% |
|
| 11/09/2009 | 3.76 | 3.89 | 3.72 | 3.81 | 47,532 | +1.87% |
|
| 11/06/2009 | 3.88 | 3.88 | 3.73 | 3.74 | 43,746 | -0.53% |
|
| 11/05/2009 | 3.66 | 3.84 | 3.65 | 3.76 | 26,538 | +2.73% |
|
| 11/04/2009 | 3.60 | 3.84 | 3.60 | 3.66 | 59,204 | -4.44% |
|
| 11/03/2009 | 3.99 | 3.99 | 3.73 | 3.83 | 43,689 | +0.79% |
|
| 11/02/2009 | 3.90 | 3.99 | 3.70 | 3.80 | 55,107 | +1.06% |
|
| 10/30/2009 | 3.99 | 4.00 | 3.75 | 3.76 | 102,558 | -1.05% |
|
| 10/29/2009 | 3.43 | 4.00 | 3.43 | 3.80 | 180,295 | +9.51% |
|
| 10/28/2009 | 3.64 | 3.66 | 3.33 | 3.47 | 51,111 | -5.45% |
|
| 10/27/2009 | 3.79 | 3.88 | 3.56 | 3.67 | 54,339 | -3.17% |
|
| 10/26/2009 | 3.94 | 3.94 | 3.75 | 3.79 | 10,200 | -0.79% |
|
| 10/23/2009 | 3.94 | 3.95 | 3.76 | 3.82 | 78,108 | -3.05% |
|
| 10/22/2009 | 3.76 | 4.09 | 3.76 | 3.94 | 80,913 | +5.07% |
|
| 10/21/2009 | 4.19 | 4.19 | 3.73 | 3.75 | 164,303 | -6.25% |
|
| 10/20/2009 | 4.00 | 4.01 | 3.91 | 4.00 | 76,714 | +0.25% |
|
| 10/19/2009 | 3.94 | 4.04 | 3.82 | 3.99 | 315,039 | +0.50% |
|
| 10/16/2009 | 4.30 | 4.42 | 3.97 | 3.97 | 65,232 | -8.74% |
|
| 10/15/2009 | 4.18 | 4.39 | 4.18 | 4.35 | 63,121 | +3.57% |
|
| 10/14/2009 | 3.91 | 4.20 | 3.87 | 4.20 | 35,521 | +7.42% |
|
| 10/13/2009 | 3.90 | 4.01 | 3.84 | 3.91 | 10,948 | -0.99% |
|
| 10/12/2009 | 3.95 | 3.96 | 3.84 | 3.95 | 17,986 | -1.03% |
|
| 10/09/2009 | 3.90 | 4.00 | 3.90 | 3.99 | 7,300 | +2.05% |
|
| 10/08/2009 | 3.92 | 3.96 | 3.81 | 3.91 | 10,325 | -0.76% |
|
| 10/07/2009 | 4.03 | 4.03 | 3.92 | 3.94 | 13,568 | -2.23% |
|
| 10/06/2009 | 3.99 | 4.05 | 3.97 | 4.03 | 15,893 | +1.00% |
|
| 10/05/2009 | 4.03 | 4.07 | 3.99 | 3.99 | 11,054 | -1.94% |
|
| 10/02/2009 | 3.97 | 4.08 | 3.97 | 4.07 | 20,330 | +2.24% |
|
| 10/01/2009 | 4.00 | 4.16 | 3.98 | 3.98 | 7,261 | +0.76% |
|
| 09/30/2009 | 4.09 | 4.09 | 3.95 | 3.95 | 77,899 | -3.42% |
|
| 09/29/2009 | 4.18 | 4.22 | 4.05 | 4.09 | 57,375 | -2.85% |
|
| 09/28/2009 | 4.24 | 4.24 | 4.12 | 4.21 | 62,853 | +4.73% |
|
| 09/25/2009 | 4.10 | 4.10 | 3.81 | 4.02 | 96,997 | -1.95% |
|
| 09/24/2009 | 4.15 | 4.18 | 4.05 | 4.10 | 65,899 | -2.84% |
|
| 09/23/2009 | 4.18 | 4.31 | 4.06 | 4.22 | 42,262 | -0.71% |
|
| 09/22/2009 | 4.25 | 4.25 | 4.07 | 4.25 | 48,932 | -0.70% |
|
| 09/21/2009 | 4.41 | 4.53 | 4.25 | 4.28 | 74,928 | -4.04% |
|
| 09/18/2009 | 4.54 | 4.58 | 4.29 | 4.46 | 38,700 | -2.62% |
|
| 09/17/2009 | 4.50 | 4.60 | 4.40 | 4.58 | 61,421 | +0.44% |
|
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