| Date | Open | High | Low | Close | Volume | Change % | Historical Rating |
|---|---|---|---|---|---|---|---|
| 02/09/2010 | 3.50 | 3.70 | 3.43 | 3.49 | 36,114 |  +1.45% |
 |
| 02/08/2010 | 3.50 | 3.52 | 3.43 | 3.44 | 27,127 |  -2.27% |
|
| 02/05/2010 | 3.63 | 3.63 | 3.42 | 3.52 | 53,189 | -2.49% |
|
| 02/04/2010 | 3.73 | 3.83 | 3.61 | 3.61 | 64,491 | -4.24% |
|
| 02/03/2010 | 3.70 | 3.82 | 3.67 | 3.77 | 37,657 | +1.62% |
|
| 02/02/2010 | 3.93 | 3.93 | 3.70 | 3.71 | 36,558 | -5.84% |
|
| 02/01/2010 | 3.80 | 3.94 | 3.74 | 3.94 | 34,673 | +4.51% |
|
| 01/29/2010 | 3.86 | 3.95 | 3.76 | 3.77 | 29,420 | -2.08% |
|
| 01/28/2010 | 3.94 | 3.94 | 3.77 | 3.85 | 43,822 | -1.79% |
|
| 01/27/2010 | 3.74 | 3.96 | 3.74 | 3.92 | 62,918 | +4.26% |
|
| 01/26/2010 | 3.84 | 3.97 | 3.74 | 3.76 | 43,019 | -2.59% |
|
| 01/25/2010 | 3.97 | 3.97 | 3.75 | 3.86 | 53,008 | -1.78% |
|
| 01/22/2010 | 3.79 | 3.99 | 3.79 | 3.93 | 52,152 | +3.69% |
|
| 01/21/2010 | 3.92 | 4.09 | 3.74 | 3.79 | 46,738 | -3.32% |
|
| 01/20/2010 | 3.94 | 3.99 | 3.85 | 3.92 | 28,686 | -1.51% |
|
| 01/19/2010 | 3.94 | 4.00 | 3.75 | 3.98 | 47,975 | +1.79% |
|
| 01/15/2010 | 3.88 | 3.95 | 3.85 | 3.91 | 61,603 | +2.09% |
|
| 01/14/2010 | 3.95 | 3.95 | 3.80 | 3.83 | 56,988 | -1.03% |
|
| 01/13/2010 | 3.96 | 3.96 | 3.66 | 3.87 | 82,381 | -2.27% |
|
| 01/12/2010 | 4.00 | 4.09 | 3.85 | 3.96 | 296,634 | -3.41% |
|
| 01/11/2010 | 3.84 | 4.47 | 3.82 | 4.10 | 278,444 | +8.47% |
|
| 01/08/2010 | 3.75 | 3.83 | 3.67 | 3.78 | 31,492 | +0.27% |
|
| 01/07/2010 | 3.73 | 3.89 | 3.70 | 3.77 | 16,875 | +1.07% |
|
| 01/06/2010 | 3.76 | 3.92 | 3.70 | 3.73 | 48,453 | -1.58% |
|
| 01/05/2010 | 3.85 | 3.85 | 3.77 | 3.79 | 17,918 | -1.30% |
|
| 01/04/2010 | 4.03 | 4.07 | 3.70 | 3.84 | 113,529 | -3.27% |
|
| 12/31/2009 | 3.81 | 4.53 | 3.71 | 3.97 | 358,472 | +3.93% |
|
| 12/30/2009 | 3.86 | 3.86 | 3.69 | 3.82 | 22,190 | -1.80% |
|
| 12/29/2009 | 3.89 | 3.89 | 3.81 | 3.89 | 23,501 | 0.00% |
|
| 12/28/2009 | 3.88 | 3.91 | 3.71 | 3.89 | 15,822 | +0.26% |
|
| 12/24/2009 | 3.85 | 3.97 | 3.73 | 3.88 | 2,560 | +1.57% |
|
| 12/23/2009 | 3.72 | 3.87 | 3.51 | 3.82 | 14,690 | +3.24% |
|
| 12/22/2009 | 3.88 | 3.89 | 3.70 | 3.70 | 44,211 | -4.64% |
|
| 12/21/2009 | 3.50 | 3.95 | 3.50 | 3.88 | 38,471 | +13.78% |
|
| 12/18/2009 | 3.52 | 3.62 | 3.39 | 3.41 | 123,685 | -3.40% |
|
| 12/17/2009 | 3.77 | 3.89 | 3.53 | 3.53 | 22,668 | -7.11% |
|
| 12/16/2009 | 3.85 | 3.85 | 3.70 | 3.80 | 20,447 | -1.04% |
|
| 12/15/2009 | 3.84 | 3.98 | 3.84 | 3.84 | 25,543 | 0.00% |
|
| 12/14/2009 | 3.78 | 3.87 | 3.78 | 3.84 | 9,532 | +2.40% |
|
| 12/11/2009 | 3.82 | 3.82 | 3.69 | 3.75 | 9,558 | -1.83% |
|
| 12/10/2009 | 3.99 | 3.99 | 3.81 | 3.82 | 11,048 | -4.26% |
|
| 12/09/2009 | 3.83 | 3.99 | 3.61 | 3.99 | 24,554 | +4.45% |
|
| 12/08/2009 | 4.00 | 4.00 | 3.73 | 3.82 | 17,957 | -4.26% |
|
| 12/07/2009 | 4.00 | 4.00 | 3.90 | 3.99 | 37,124 | +0.25% |
|
| 12/04/2009 | 4.11 | 4.11 | 3.77 | 3.98 | 33,882 | +0.76% |
|
| 12/03/2009 | 3.99 | 4.02 | 3.75 | 3.95 | 38,226 | -1.25% |
|
| 12/02/2009 | 3.57 | 4.00 | 3.57 | 4.00 | 53,815 | +11.42% |
|
| 12/01/2009 | 3.50 | 3.66 | 3.50 | 3.59 | 49,386 | +6.85% |
|
| 11/30/2009 | 3.51 | 3.52 | 3.21 | 3.36 | 172,174 | -4.00% |
|
| 11/27/2009 | 3.67 | 3.75 | 3.50 | 3.50 | 32,185 | -6.42% |
|
| 11/25/2009 | 3.91 | 3.96 | 3.74 | 3.74 | 12,135 | -4.10% |
|
| 11/24/2009 | 3.95 | 3.98 | 3.87 | 3.90 | 20,681 | -1.02% |
|
| 11/23/2009 | 3.86 | 4.01 | 3.86 | 3.94 | 41,351 | +2.87% |
|
| 11/20/2009 | 3.94 | 4.03 | 3.76 | 3.83 | 41,823 | -3.77% |
|
| 11/19/2009 | 4.03 | 4.03 | 3.91 | 3.98 | 40,669 | -1.49% |
|
| 11/18/2009 | 4.07 | 4.14 | 3.97 | 4.04 | 50,308 | -0.74% |
|
| 11/17/2009 | 4.18 | 4.18 | 3.98 | 4.07 | 27,155 | -2.16% |
|
| 11/16/2009 | 4.02 | 4.17 | 4.02 | 4.16 | 22,788 | +3.74% |
|
| 11/13/2009 | 4.04 | 4.09 | 3.94 | 4.01 | 39,608 | 0.00% |
|
| 11/12/2009 | 4.28 | 4.28 | 4.01 | 4.01 | 64,378 | -6.74% |
|
| 11/11/2009 | 4.29 | 4.30 | 4.18 | 4.30 | 22,627 | +1.18% |
|
| 11/10/2009 | 4.26 | 4.34 | 4.21 | 4.25 | 46,313 | -0.70% |
|
| 11/09/2009 | 4.29 | 4.30 | 4.15 | 4.28 | 75,585 | +3.13% |
|
| 11/06/2009 | 4.27 | 4.31 | 4.15 | 4.15 | 25,533 | -3.49% |
|
| 11/05/2009 | 4.14 | 4.30 | 4.05 | 4.30 | 165,021 | +4.88% |
|
| 11/04/2009 | 4.27 | 4.30 | 4.09 | 4.10 | 71,802 | -3.30% |
|
| 11/03/2009 | 4.14 | 4.56 | 4.09 | 4.24 | 490,359 | +1.44% |
|
| 11/02/2009 | 3.88 | 4.20 | 3.88 | 4.18 | 339,799 | +8.85% |
|
| 10/30/2009 | 4.09 | 4.09 | 3.68 | 3.84 | 574,160 | -8.79% |
|
| 10/29/2009 | 4.23 | 4.29 | 4.08 | 4.21 | 351,734 | +0.72% |
|
| 10/28/2009 | 4.28 | 4.32 | 4.10 | 4.18 | 277,813 | -2.11% |
|
| 10/27/2009 | 4.30 | 4.61 | 4.18 | 4.27 | 300,333 | -0.70% |
|
| 10/26/2009 | 4.22 | 4.41 | 4.22 | 4.30 | 105,111 | +2.38% |
|
| 10/23/2009 | 4.25 | 4.26 | 4.10 | 4.20 | 76,212 | -1.18% |
|
| 10/22/2009 | 4.28 | 4.34 | 4.23 | 4.25 | 41,661 | -1.16% |
|
| 10/21/2009 | 4.27 | 4.37 | 4.23 | 4.30 | 71,407 | +0.23% |
|
| 10/20/2009 | 4.37 | 4.45 | 4.28 | 4.29 | 120,027 | -1.38% |
|
| 10/19/2009 | 4.60 | 4.60 | 4.33 | 4.35 | 193,559 | -2.90% |
|
| 10/16/2009 | 4.68 | 4.73 | 4.46 | 4.48 | 95,297 | -4.27% |
|
| 10/15/2009 | 4.69 | 4.75 | 4.66 | 4.68 | 55,677 | -1.47% |
|
| 10/14/2009 | 4.82 | 4.95 | 4.71 | 4.75 | 111,163 | 0.00% |
|
| 10/13/2009 | 4.86 | 5.03 | 4.71 | 4.75 | 126,064 | -2.26% |
|
| 10/12/2009 | 5.03 | 5.03 | 4.86 | 4.86 | 33,136 | -0.41% |
|
| 10/09/2009 | 5.00 | 5.06 | 4.79 | 4.88 | 88,354 | -1.81% |
|
| 10/08/2009 | 5.08 | 5.10 | 4.84 | 4.97 | 198,797 | -1.39% |
|
| 10/07/2009 | 5.26 | 5.29 | 4.95 | 5.04 | 250,237 | -4.18% |
|
| 10/06/2009 | 5.82 | 5.82 | 5.12 | 5.26 | 255,942 | -5.40% |
|
| 10/05/2009 | 6.20 | 6.43 | 5.55 | 5.56 | 852,690 | -34.59% |
 |
| 10/02/2009 | 8.27 | 9.05 | 8.27 | 8.50 | 86,615 | +2.04% |
|
| 10/01/2009 | 8.68 | 9.04 | 8.33 | 8.33 | 26,858 | -4.80% |
|
| 09/30/2009 | 9.24 | 9.30 | 8.66 | 8.75 | 31,076 | -4.79% |
|
| 09/29/2009 | 9.30 | 9.44 | 9.11 | 9.19 | 7,888 | -1.08% |
|
| 09/28/2009 | 9.41 | 9.65 | 9.14 | 9.29 | 48,618 | -3.03% |
|
| 09/25/2009 | 9.81 | 9.81 | 9.51 | 9.58 | 18,555 | -0.73% |
|
| 09/24/2009 | 9.93 | 10.33 | 9.60 | 9.65 | 24,963 | -1.23% |
|
| 09/23/2009 | 10.04 | 10.04 | 9.69 | 9.77 | 22,348 | -1.61% |
|
| 09/22/2009 | 10.12 | 10.24 | 9.92 | 9.93 | 14,444 | -0.90% |
|
| 09/21/2009 | 10.10 | 10.25 | 10.00 | 10.02 | 20,189 | -1.38% |
|
| 09/18/2009 | 10.06 | 10.16 | 9.95 | 10.16 | 135,632 | +0.99% |
|
| 09/17/2009 | 10.02 | 10.07 | 9.95 | 10.06 | 12,525 | +0.60% |
|
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