| Date | Open | High | Low | Close | Volume | Change % | Historical Rating |
|---|---|---|---|---|---|---|---|
| 02/09/2010 | 5.16 | 5.29 | 5.14 | 5.19 | 112,848 |  +2.37% |
 |
| 02/08/2010 | 4.92 | 5.20 | 4.92 | 5.07 | 117,551 | +2.22% |
|
| 02/05/2010 | 4.99 | 5.15 | 4.92 | 4.96 | 207,367 |  -1.00% |
|
| 02/04/2010 | 5.49 | 5.50 | 5.01 | 5.01 | 178,717 | -8.91% |
|
| 02/03/2010 | 5.42 | 5.50 | 5.39 | 5.50 | 153,792 | +1.29% |
|
| 02/02/2010 | 5.26 | 5.44 | 5.19 | 5.43 | 172,422 | +4.02% |
|
| 02/01/2010 | 5.11 | 5.27 | 5.03 | 5.22 | 242,996 | +2.15% |
|
| 01/29/2010 | 5.21 | 5.30 | 5.11 | 5.11 | 112,783 | -1.54% |
|
| 01/28/2010 | 5.35 | 5.35 | 5.16 | 5.19 | 153,321 | -2.63% |
|
| 01/27/2010 | 5.24 | 5.33 | 5.22 | 5.33 | 167,704 | +0.95% |
|
| 01/26/2010 | 5.21 | 5.31 | 5.08 | 5.28 | 217,423 | +0.96% |
 |
| 01/25/2010 | 5.36 | 5.36 | 5.22 | 5.23 | 133,385 | -0.95% |
|
| 01/22/2010 | 5.51 | 5.51 | 5.19 | 5.28 | 322,992 | -3.47% |
|
| 01/21/2010 | 5.58 | 5.66 | 5.47 | 5.47 | 214,087 | -1.44% |
|
| 01/20/2010 | 5.48 | 5.60 | 5.48 | 5.55 | 187,257 | -0.18% |
|
| 01/19/2010 | 5.57 | 5.61 | 5.48 | 5.56 | 183,855 | -0.89% |
|
| 01/15/2010 | 5.68 | 5.69 | 5.38 | 5.61 | 601,762 | -1.92% |
|
| 01/14/2010 | 5.45 | 5.88 | 5.40 | 5.72 | 783,869 | +4.38% |
|
| 01/13/2010 | 4.97 | 5.49 | 4.93 | 5.48 | 512,845 | +9.16% |
|
| 01/12/2010 | 4.92 | 5.11 | 4.84 | 5.02 | 460,959 | +1.83% |
|
| 01/11/2010 | 4.81 | 4.93 | 4.77 | 4.93 | 177,541 | +2.49% |
|
| 01/08/2010 | 4.76 | 4.83 | 4.70 | 4.81 | 180,886 | +1.48% |
|
| 01/07/2010 | 4.66 | 4.78 | 4.62 | 4.74 | 130,442 | +0.85% |
|
| 01/06/2010 | 4.53 | 4.75 | 4.50 | 4.70 | 248,406 | +3.07% |
|
| 01/05/2010 | 4.54 | 4.66 | 4.54 | 4.56 | 93,962 | +0.66% |
|
| 01/04/2010 | 4.47 | 4.58 | 4.43 | 4.53 | 164,156 | +1.80% |
|
| 12/31/2009 | 4.46 | 4.51 | 4.42 | 4.45 | 102,116 | -0.89% |
|
| 12/30/2009 | 4.54 | 4.54 | 4.45 | 4.49 | 99,297 | -1.54% |
|
| 12/29/2009 | 4.54 | 4.65 | 4.49 | 4.56 | 153,734 | +1.33% |
|
| 12/28/2009 | 4.60 | 4.66 | 4.46 | 4.50 | 136,095 | -1.32% |
|
| 12/24/2009 | 4.61 | 4.63 | 4.42 | 4.56 | 62,018 | -1.51% |
|
| 12/23/2009 | 4.47 | 4.65 | 4.44 | 4.63 | 175,731 | +3.58% |
|
| 12/22/2009 | 4.46 | 4.50 | 4.20 | 4.47 | 396,043 | +0.68% |
|
| 12/21/2009 | 4.26 | 4.48 | 4.25 | 4.44 | 438,734 | +4.23% |
|
| 12/18/2009 | 4.15 | 4.26 | 3.98 | 4.26 | 1,092,756 | +7.04% |
|
| 12/17/2009 | 4.10 | 4.10 | 3.98 | 3.98 | 139,304 | -2.93% |
|
| 12/16/2009 | 4.09 | 4.13 | 4.06 | 4.10 | 113,717 | +0.24% |
|
| 12/15/2009 | 4.17 | 4.17 | 4.07 | 4.09 | 190,866 | -1.21% |
|
| 12/14/2009 | 4.03 | 4.16 | 3.98 | 4.14 | 303,581 | +2.99% |
|
| 12/11/2009 | 4.10 | 4.12 | 4.02 | 4.02 | 92,066 | -1.95% |
|
| 12/10/2009 | 4.12 | 4.13 | 4.06 | 4.10 | 211,120 | +0.49% |
|
| 12/09/2009 | 4.10 | 4.12 | 4.05 | 4.08 | 176,570 | -0.73% |
|
| 12/08/2009 | 4.10 | 4.19 | 4.10 | 4.11 | 209,490 | -0.48% |
|
| 12/07/2009 | 4.15 | 4.15 | 4.10 | 4.13 | 146,304 | -0.24% |
|
| 12/04/2009 | 4.20 | 4.25 | 4.12 | 4.14 | 85,613 | +0.49% |
|
| 12/03/2009 | 4.18 | 4.24 | 4.08 | 4.12 | 314,976 | 0.00% |
|
| 12/02/2009 | 4.07 | 4.17 | 4.00 | 4.12 | 161,980 | +0.73% |
|
| 12/01/2009 | 4.01 | 4.16 | 4.01 | 4.09 | 161,891 | +1.74% |
|
| 11/30/2009 | 4.02 | 4.07 | 3.99 | 4.02 | 195,435 | 0.00% |
|
| 11/27/2009 | 3.88 | 4.03 | 3.77 | 4.02 | 111,770 | -0.25% |
|
| 11/25/2009 | 3.99 | 4.13 | 3.99 | 4.03 | 210,420 | +0.50% |
|
| 11/24/2009 | 3.90 | 4.11 | 3.88 | 4.01 | 1,474,606 | +2.04% |
 |
| 11/23/2009 | 3.84 | 3.98 | 3.76 | 3.93 | 618,628 | +5.36% |
|
| 11/20/2009 | 3.70 | 3.75 | 3.65 | 3.73 | 142,720 | +1.22% |
|
| 11/19/2009 | 3.87 | 3.88 | 3.67 | 3.68 | 666,125 | -5.27% |
|
| 11/18/2009 | 3.94 | 3.95 | 3.87 | 3.89 | 132,818 | -1.02% |
|
| 11/17/2009 | 4.01 | 4.02 | 3.90 | 3.93 | 177,960 | -3.44% |
|
| 11/16/2009 | 3.93 | 4.08 | 3.93 | 4.07 | 294,604 | +3.30% |
|
| 11/13/2009 | 3.86 | 3.95 | 3.85 | 3.94 | 115,448 | +2.34% |
|
| 11/12/2009 | 3.86 | 3.89 | 3.80 | 3.85 | 157,602 | 0.00% |
|
| 11/11/2009 | 3.97 | 4.00 | 3.84 | 3.85 | 381,271 | -3.75% |
|
| 11/10/2009 | 4.14 | 4.20 | 3.97 | 4.00 | 348,892 | -3.15% |
|
| 11/09/2009 | 4.17 | 4.26 | 4.08 | 4.13 | 694,187 | +0.73% |
|
| 11/06/2009 | 4.19 | 4.19 | 4.06 | 4.10 | 152,948 | -1.44% |
|
| 11/05/2009 | 3.97 | 4.16 | 3.97 | 4.16 | 95,044 | +4.00% |
|
| 11/04/2009 | 4.11 | 4.11 | 3.99 | 4.00 | 194,031 | -0.99% |
|
| 11/03/2009 | 3.79 | 4.08 | 3.75 | 4.04 | 297,837 | +5.76% |
|
| 11/02/2009 | 3.93 | 4.00 | 3.78 | 3.82 | 197,753 | -2.30% |
|
| 10/30/2009 | 4.09 | 4.09 | 3.86 | 3.91 | 294,036 | -4.40% |
|
| 10/29/2009 | 4.13 | 4.13 | 4.05 | 4.09 | 307,308 | -0.73% |
|
| 10/28/2009 | 4.25 | 4.25 | 4.03 | 4.12 | 442,042 | -3.96% |
|
| 10/27/2009 | 4.26 | 4.32 | 4.24 | 4.29 | 369,906 | +0.47% |
|
| 10/26/2009 | 4.31 | 4.33 | 4.24 | 4.27 | 680,087 | +0.23% |
|
| 10/23/2009 | 4.36 | 4.36 | 4.25 | 4.26 | 240,837 | -1.62% |
|
| 10/22/2009 | 4.18 | 4.36 | 4.08 | 4.33 | 545,512 | +5.48% |
|
| 10/21/2009 | 4.13 | 4.15 | 4.08 | 4.10 | 264,987 | -0.12% |
|
| 10/20/2009 | 4.37 | 4.37 | 4.09 | 4.11 | 468,857 | -3.97% |
|
| 10/19/2009 | 4.47 | 4.52 | 4.27 | 4.28 | 429,964 | -1.61% |
|
| 10/16/2009 | 4.43 | 4.48 | 4.35 | 4.35 | 229,302 | -2.90% |
|
| 10/15/2009 | 4.48 | 4.51 | 4.41 | 4.48 | 241,969 | +1.59% |
|
| 10/14/2009 | 4.41 | 4.64 | 4.32 | 4.41 | 872,386 | -8.12% |
|
| 10/13/2009 | 4.83 | 4.83 | 4.64 | 4.80 | 344,610 | +1.27% |
|
| 10/12/2009 | 4.60 | 4.75 | 4.58 | 4.74 | 239,155 | +4.18% |
|
| 10/09/2009 | 4.50 | 4.61 | 4.48 | 4.55 | 470,957 | +1.11% |
|
| 10/08/2009 | 4.49 | 4.52 | 4.45 | 4.50 | 278,602 | +0.22% |
|
| 10/07/2009 | 4.40 | 4.49 | 4.40 | 4.49 | 379,395 | +1.13% |
|
| 10/06/2009 | 4.45 | 4.54 | 4.42 | 4.44 | 273,518 | -0.22% |
|
| 10/05/2009 | 4.34 | 4.48 | 4.34 | 4.45 | 972,389 | +2.53% |
|
| 10/02/2009 | 4.30 | 4.38 | 4.25 | 4.34 | 232,229 | +1.17% |
|
| 10/01/2009 | 4.29 | 4.40 | 4.25 | 4.29 | 604,220 | -0.92% |
|
| 09/30/2009 | 4.37 | 4.46 | 4.25 | 4.33 | 287,180 | -1.59% |
|
| 09/29/2009 | 4.36 | 4.41 | 4.36 | 4.40 | 319,283 | 0.00% |
|
| 09/28/2009 | 4.32 | 4.42 | 4.32 | 4.40 | 414,414 | +3.04% |
|
| 09/25/2009 | 4.36 | 4.40 | 4.26 | 4.27 | 389,640 | -1.39% |
|
| 09/24/2009 | 4.44 | 4.49 | 4.29 | 4.33 | 289,080 | -2.70% |
|
| 09/23/2009 | 4.43 | 4.47 | 4.39 | 4.45 | 606,712 | +0.68% |
|
| 09/22/2009 | 4.56 | 4.57 | 4.40 | 4.42 | 839,614 | -3.39% |
|
| 09/21/2009 | 4.56 | 4.64 | 4.51 | 4.58 | 558,246 | +0.55% |
|
| 09/18/2009 | 4.52 | 4.56 | 4.46 | 4.55 | 345,319 | +1.79% |
|
| 09/17/2009 | 4.51 | 4.60 | 4.45 | 4.47 | 286,089 | -1.76% |
|
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