| Date | Open | High | Low | Close | Volume | Change % | Historical Rating |
|---|---|---|---|---|---|---|---|
| 02/09/2010 | 4.28 | 4.32 | 4.18 | 4.29 | 282,401 |  +4.38% |
 |
| 02/08/2010 | 4.11 | 4.17 | 3.98 | 4.11 | 174,281 | +2.49% |
|
| 02/05/2010 | 3.89 | 4.05 | 3.86 | 4.01 | 187,030 |  -1.96% |
|
| 02/04/2010 | 4.30 | 4.30 | 4.09 | 4.09 | 354,693 | -5.32% |
|
| 02/03/2010 | 4.36 | 4.38 | 4.22 | 4.32 | 190,488 | +2.37% |
|
| 02/02/2010 | 4.19 | 4.24 | 4.07 | 4.22 | 291,719 | +8.21% |
|
| 02/01/2010 | 3.94 | 3.96 | 3.81 | 3.90 | 271,584 | +5.12% |
|
| 01/29/2010 | 3.75 | 3.78 | 3.69 | 3.71 | 134,985 | +0.54% |
|
| 01/28/2010 | 3.79 | 3.84 | 3.69 | 3.69 | 364,164 | -0.27% |
|
| 01/27/2010 | 3.66 | 3.74 | 3.62 | 3.70 | 257,629 | -2.89% |
|
| 01/26/2010 | 3.90 | 3.90 | 3.80 | 3.81 | 356,866 | -3.79% |
|
| 01/25/2010 | 4.15 | 4.24 | 3.91 | 3.96 | 443,903 | -6.16% |
|
| 01/22/2010 | 4.42 | 4.42 | 4.16 | 4.22 | 628,991 | -2.09% |
|
| 01/21/2010 | 4.39 | 4.40 | 4.26 | 4.31 | 410,203 | -3.15% |
|
| 01/20/2010 | 4.49 | 4.55 | 4.39 | 4.45 | 476,164 | +0.45% |
|
| 01/19/2010 | 4.40 | 4.44 | 4.37 | 4.43 | 451,444 | -4.73% |
|
| 01/15/2010 | 4.64 | 4.68 | 4.58 | 4.65 | 474,609 | +4.97% |
|
| 01/14/2010 | 4.36 | 4.49 | 4.25 | 4.43 | 465,114 | +10.75% |
|
| 01/13/2010 | 3.97 | 4.02 | 3.97 | 4.00 | 188,921 | +0.25% |
|
| 01/12/2010 | 4.06 | 4.06 | 3.98 | 3.99 | 415,457 | -1.72% |
|
| 01/11/2010 | 3.98 | 4.07 | 3.98 | 4.06 | 304,431 | +7.98% |
|
| 01/08/2010 | 3.77 | 3.79 | 3.73 | 3.76 | 161,374 | +0.80% |
|
| 01/07/2010 | 3.67 | 3.73 | 3.65 | 3.73 | 294,474 | -0.27% |
|
| 01/06/2010 | 3.68 | 3.75 | 3.68 | 3.74 | 741,999 | +2.75% |
|
| 01/05/2010 | 3.66 | 3.71 | 3.61 | 3.64 | 592,598 | +1.96% |
|
| 01/04/2010 | 3.41 | 3.62 | 3.37 | 3.57 | 418,314 | +10.19% |
|
| 12/31/2009 | 3.30 | 3.38 | 3.22 | 3.24 | 243,921 | -4.42% |
|
| 12/30/2009 | 3.24 | 3.39 | 3.24 | 3.39 | 449,884 | +4.63% |
|
| 12/29/2009 | 3.32 | 3.32 | 3.21 | 3.24 | 119,477 | -1.82% |
|
| 12/28/2009 | 3.25 | 3.32 | 3.23 | 3.30 | 158,382 | +2.17% |
|
| 12/24/2009 | 3.14 | 3.29 | 3.13 | 3.23 | 142,676 | +4.87% |
|
| 12/23/2009 | 3.09 | 3.14 | 3.03 | 3.08 | 219,278 | +1.32% |
|
| 12/22/2009 | 2.95 | 3.04 | 2.95 | 3.04 | 507,786 | +4.11% |
|
| 12/21/2009 | 3.03 | 3.03 | 2.91 | 2.92 | 293,564 | -5.50% |
 |
| 12/18/2009 | 2.94 | 3.09 | 2.86 | 3.09 | 1,267,714 | +4.75% |
|
| 12/17/2009 | 3.00 | 3.03 | 2.91 | 2.95 | 798,405 | -3.28% |
|
| 12/16/2009 | 3.10 | 3.10 | 3.03 | 3.05 | 155,340 | -1.93% |
|
| 12/15/2009 | 3.06 | 3.12 | 3.05 | 3.11 | 408,005 | -0.32% |
|
| 12/14/2009 | 3.25 | 3.25 | 3.10 | 3.12 | 191,974 | -2.80% |
|
| 12/11/2009 | 3.12 | 3.21 | 3.12 | 3.21 | 48,529 | +3.55% |
|
| 12/10/2009 | 3.18 | 3.18 | 3.03 | 3.10 | 773,566 | -0.64% |
|
| 12/09/2009 | 3.15 | 3.15 | 3.04 | 3.12 | 124,908 | +0.32% |
|
| 12/08/2009 | 3.18 | 3.18 | 3.05 | 3.11 | 163,745 | -0.96% |
|
| 12/07/2009 | 3.14 | 3.27 | 3.14 | 3.14 | 392,319 | -2.18% |
|
| 12/04/2009 | 3.21 | 3.21 | 3.14 | 3.21 | 138,360 | +0.63% |
|
| 12/03/2009 | 3.23 | 3.23 | 3.14 | 3.19 | 169,510 | +0.63% |
|
| 12/02/2009 | 3.17 | 3.24 | 3.14 | 3.17 | 98,837 | +0.32% |
|
| 12/01/2009 | 3.12 | 3.20 | 3.07 | 3.16 | 115,198 | +3.27% |
|
| 11/30/2009 | 3.12 | 3.12 | 3.03 | 3.06 | 137,557 | -2.55% |
|
| 11/27/2009 | 3.06 | 3.16 | 3.02 | 3.14 | 83,050 | +2.61% |
|
| 11/25/2009 | 3.10 | 3.19 | 3.05 | 3.06 | 65,807 | -2.24% |
|
| 11/24/2009 | 3.15 | 3.15 | 3.07 | 3.13 | 71,053 | -2.80% |
|
| 11/23/2009 | 3.24 | 3.29 | 3.22 | 3.22 | 78,705 | +1.58% |
|
| 11/20/2009 | 3.15 | 3.19 | 3.15 | 3.17 | 51,093 | 0.00% |
|
| 11/19/2009 | 3.20 | 3.21 | 3.11 | 3.17 | 176,844 | -0.94% |
|
| 11/18/2009 | 3.23 | 3.32 | 3.20 | 3.20 | 109,202 | -2.14% |
|
| 11/17/2009 | 3.17 | 3.32 | 3.17 | 3.27 | 200,749 | +2.19% |
|
| 11/16/2009 | 3.26 | 3.29 | 3.20 | 3.20 | 326,333 | -5.04% |
|
| 11/13/2009 | 3.69 | 3.69 | 3.30 | 3.37 | 402,936 | -8.92% |
|
| 11/12/2009 | 3.80 | 3.89 | 3.55 | 3.70 | 1,682,794 | -4.64% |
|
| 11/11/2009 | 3.55 | 4.00 | 3.55 | 3.88 | 5,548,444 | +60.33% |
|
| 11/03/2009 | 2.41 | 2.44 | 2.37 | 2.42 | 58,595 | -2.42% |
|
| 11/02/2009 | 2.49 | 2.53 | 2.45 | 2.48 | 131,609 | +2.48% |
|
| 10/30/2009 | 2.48 | 2.48 | 2.39 | 2.42 | 34,339 | -2.81% |
|
| 10/29/2009 | 2.50 | 2.50 | 2.48 | 2.49 | 128,748 | 0.00% |
 |
| 10/28/2009 | 2.50 | 2.52 | 2.35 | 2.49 | 96,966 | -1.97% |
|
| 10/27/2009 | 2.55 | 2.58 | 2.51 | 2.54 | 38,937 | +0.79% |
|
| 10/26/2009 | 2.59 | 2.62 | 2.52 | 2.52 | 151,726 | -0.40% |
|
| 10/23/2009 | 2.60 | 2.61 | 2.53 | 2.53 | 88,853 | -0.78% |
|
| 10/22/2009 | 2.64 | 2.64 | 2.52 | 2.55 | 103,340 | +0.79% |
|
| 10/21/2009 | 2.51 | 2.59 | 2.49 | 2.53 | 62,825 | +2.02% |
|
| 10/20/2009 | 2.57 | 2.59 | 2.46 | 2.48 | 114,604 | -1.59% |
|
| 10/19/2009 | 2.57 | 2.58 | 2.52 | 2.52 | 632,599 | +2.86% |
|
| 10/16/2009 | 2.43 | 2.51 | 2.43 | 2.45 | 22,662 | -2.39% |
|
| 10/15/2009 | 2.45 | 2.51 | 2.45 | 2.51 | 21,080 | -1.57% |
|
| 10/14/2009 | 2.53 | 2.55 | 2.49 | 2.55 | 44,844 | +4.08% |
|
| 10/13/2009 | 2.53 | 2.53 | 2.36 | 2.45 | 67,900 | -3.29% |
|
| 10/12/2009 | 2.57 | 2.65 | 2.52 | 2.53 | 121,524 | +0.13% |
|
| 10/09/2009 | 2.45 | 2.58 | 2.45 | 2.53 | 90,618 | +2.85% |
|
| 10/08/2009 | 2.39 | 2.46 | 2.39 | 2.46 | 156,006 | +2.93% |
|
| 10/07/2009 | 2.41 | 2.41 | 2.30 | 2.39 | 49,300 | +2.14% |
|
| 10/06/2009 | 2.31 | 2.38 | 2.31 | 2.34 | 51,993 | +1.74% |
|
| 10/05/2009 | 2.33 | 2.34 | 2.29 | 2.30 | 59,783 | -2.95% |
|
| 10/02/2009 | 2.35 | 2.37 | 2.31 | 2.37 | 44,102 | +0.42% |
|
| 10/01/2009 | 2.40 | 2.43 | 2.33 | 2.36 | 26,504 | -2.48% |
|
| 09/30/2009 | 2.40 | 2.45 | 2.30 | 2.42 | 56,833 | +0.41% |
|
| 09/29/2009 | 2.50 | 2.50 | 2.40 | 2.41 | 306,648 | -4.37% |
|
| 09/28/2009 | 2.52 | 2.53 | 2.50 | 2.52 | 85,225 | -0.79% |
|
| 09/25/2009 | 2.54 | 2.55 | 2.50 | 2.54 | 44,000 | -1.55% |
|
| 09/24/2009 | 2.58 | 2.58 | 2.49 | 2.58 | 86,410 | 0.00% |
|
| 09/23/2009 | 2.61 | 2.62 | 2.48 | 2.58 | 214,211 | -2.27% |
|
| 09/22/2009 | 2.58 | 2.65 | 2.57 | 2.64 | 92,533 | -0.38% |
|
| 09/21/2009 | 2.65 | 2.70 | 2.65 | 2.65 | 35,017 | -1.85% |
|
| 09/18/2009 | 2.64 | 2.73 | 2.63 | 2.70 | 42,943 | +1.50% |
|
| 09/17/2009 | 2.65 | 2.68 | 2.63 | 2.66 | 133,999 | +0.76% |
|
| 09/16/2009 | 2.70 | 2.70 | 2.63 | 2.64 | 58,859 | -2.58% |
|
| 09/15/2009 | 2.67 | 2.73 | 2.63 | 2.71 | 164,024 | +0.37% |
|
| 09/14/2009 | 2.66 | 2.70 | 2.63 | 2.70 | 49,279 | +1.50% |
|
| 09/11/2009 | 2.65 | 2.66 | 2.61 | 2.66 | 51,915 | +1.53% |
|
| 09/10/2009 | 2.57 | 2.62 | 2.56 | 2.62 | 39,938 | +0.77% |
|
|