| Date | Open | High | Low | Close | Volume | Change % | Historical Rating |
|---|---|---|---|---|---|---|---|
| 11/20/2009 | 4.76 | 5.00 | 4.71 | 4.88 | 548,670 |  +1.67% |
 |
| 11/19/2009 | 4.91 | 4.97 | 4.53 | 4.80 | 563,142 |  -2.44% |
|
| 11/18/2009 | 4.90 | 5.08 | 4.80 | 4.92 | 542,935 | +1.23% |
|
| 11/17/2009 | 6.21 | 6.30 | 4.83 | 4.86 | 1,619,627 | -19.00% |
|
| 11/16/2009 | 5.70 | 6.20 | 5.60 | 6.00 | 1,560,639 | +11.11% |
|
| 11/13/2009 | 5.30 | 5.40 | 5.29 | 5.40 | 534,418 | +2.86% |
|
| 11/12/2009 | 5.24 | 5.39 | 5.16 | 5.25 | 503,158 | +0.19% |
|
| 11/11/2009 | 5.15 | 5.27 | 5.06 | 5.24 | 723,959 | +3.76% |
|
| 11/10/2009 | 5.05 | 5.21 | 5.01 | 5.05 | 269,618 | +0.40% |
|
| 11/09/2009 | 5.08 | 5.24 | 4.97 | 5.03 | 281,303 | -0.40% |
|
| 11/06/2009 | 4.83 | 5.13 | 4.83 | 5.05 | 235,473 | +1.41% |
|
| 11/05/2009 | 5.40 | 5.40 | 4.85 | 4.98 | 921,402 | -7.61% |
|
| 11/04/2009 | 5.47 | 5.64 | 5.36 | 5.39 | 243,730 | -0.92% |
|
| 11/03/2009 | 5.40 | 5.55 | 5.40 | 5.44 | 176,003 | -0.73% |
|
| 11/02/2009 | 5.72 | 6.10 | 5.36 | 5.48 | 841,337 | -4.20% |
|
| 10/30/2009 | 5.32 | 5.80 | 5.20 | 5.72 | 495,983 | +6.92% |
|
| 10/29/2009 | 5.25 | 5.40 | 5.01 | 5.35 | 394,029 | +4.29% |
|
| 10/28/2009 | 5.40 | 5.43 | 5.10 | 5.13 | 349,594 | -5.35% |
|
| 10/27/2009 | 5.60 | 5.60 | 5.26 | 5.42 | 290,146 | -2.17% |
|
| 10/26/2009 | 5.74 | 5.83 | 5.54 | 5.54 | 220,985 | -4.15% |
|
| 10/23/2009 | 6.00 | 6.02 | 5.75 | 5.78 | 224,912 | -4.15% |
|
| 10/22/2009 | 5.90 | 6.05 | 5.90 | 6.03 | 717,886 | +7.68% |
|
| 10/21/2009 | 5.50 | 5.70 | 5.11 | 5.60 | 673,586 | -3.11% |
|
| 10/20/2009 | 5.83 | 5.92 | 5.76 | 5.78 | 461,561 | +0.70% |
|
| 10/19/2009 | 5.50 | 5.79 | 5.50 | 5.74 | 253,871 | +4.17% |
|
| 10/16/2009 | 5.65 | 5.66 | 5.50 | 5.51 | 278,626 | -2.99% |
|
| 10/15/2009 | 5.50 | 5.90 | 5.48 | 5.68 | 402,802 | +3.65% |
|
| 10/14/2009 | 5.60 | 5.60 | 5.43 | 5.48 | 217,925 | 0.00% |
 |
| 10/13/2009 | 5.25 | 5.59 | 5.21 | 5.48 | 231,938 | +3.40% |
|
| 10/12/2009 | 5.29 | 5.40 | 5.08 | 5.30 | 264,899 | +1.15% |
|
| 10/09/2009 | 5.40 | 5.49 | 5.21 | 5.24 | 369,763 | -2.96% |
|
| 10/08/2009 | 5.60 | 5.77 | 5.34 | 5.40 | 493,183 | -0.92% |
|
| 10/07/2009 | 5.10 | 5.51 | 5.03 | 5.45 | 619,259 | +8.13% |
 |
| 10/06/2009 | 5.00 | 5.10 | 4.84 | 5.04 | 292,020 | +2.65% |
|
| 10/05/2009 | 4.60 | 4.95 | 4.44 | 4.91 | 456,677 | +8.87% |
|
| 10/02/2009 | 4.39 | 4.63 | 4.21 | 4.51 | 435,471 | +0.89% |
|
| 10/01/2009 | 4.57 | 4.59 | 4.40 | 4.47 | 336,235 | -2.19% |
|
| 09/30/2009 | 4.52 | 4.67 | 4.42 | 4.57 | 332,215 | +1.11% |
|
| 09/29/2009 | 4.48 | 4.57 | 4.43 | 4.52 | 265,685 | +0.89% |
|
| 09/28/2009 | 4.40 | 4.56 | 4.34 | 4.48 | 308,971 | +1.82% |
|
| 09/25/2009 | 4.10 | 4.40 | 4.10 | 4.40 | 230,208 | +5.26% |
|
| 09/24/2009 | 4.18 | 4.22 | 3.81 | 4.18 | 213,247 | 0.00% |
|
| 09/23/2009 | 3.99 | 4.34 | 3.92 | 4.18 | 441,143 | +4.50% |
|
| 09/22/2009 | 3.34 | 4.19 | 3.34 | 4.00 | 1,297,539 | +21.21% |
|
| 09/21/2009 | 3.27 | 3.35 | 3.26 | 3.30 | 91,031 | +0.61% |
|
| 09/18/2009 | 3.29 | 3.32 | 3.25 | 3.28 | 54,561 | 0.00% |
|
| 09/17/2009 | 3.29 | 3.35 | 3.20 | 3.28 | 46,142 | +0.31% |
|
| 09/16/2009 | 3.28 | 3.35 | 3.25 | 3.27 | 66,757 | -0.91% |
|
| 09/15/2009 | 3.31 | 3.31 | 3.00 | 3.30 | 226,815 | -0.60% |
|
| 09/14/2009 | 3.24 | 3.45 | 3.18 | 3.32 | 128,265 | +1.53% |
|
| 09/11/2009 | 3.28 | 3.42 | 3.26 | 3.27 | 85,465 | -3.25% |
|
| 09/10/2009 | 3.39 | 3.39 | 3.30 | 3.38 | 78,318 | 0.00% |
|
| 09/09/2009 | 3.50 | 3.56 | 3.34 | 3.38 | 255,219 | -3.70% |
|
| 09/08/2009 | 3.49 | 3.51 | 3.38 | 3.51 | 390,225 | +5.09% |
|
| 09/04/2009 | 3.07 | 3.34 | 3.06 | 3.34 | 353,428 | +10.60% |
|
| 09/03/2009 | 2.91 | 3.05 | 2.90 | 3.02 | 94,331 | +3.78% |
|
| 09/02/2009 | 3.04 | 3.04 | 2.67 | 2.91 | 508,302 | -2.02% |
|
| 09/01/2009 | 3.09 | 3.12 | 2.80 | 2.97 | 497,417 | -4.81% |
|
| 08/31/2009 | 3.28 | 3.36 | 3.11 | 3.12 | 182,523 | -6.02% |
|
| 08/28/2009 | 3.30 | 3.39 | 3.30 | 3.32 | 128,127 | +0.30% |
|
| 08/27/2009 | 3.38 | 3.40 | 3.31 | 3.31 | 147,159 | -2.07% |
|
| 08/26/2009 | 3.39 | 3.44 | 3.27 | 3.38 | 87,239 | -1.17% |
|
| 08/25/2009 | 3.37 | 3.45 | 3.28 | 3.42 | 207,626 | +3.01% |
|
| 08/24/2009 | 3.31 | 3.46 | 3.31 | 3.32 | 253,754 | -2.92% |
|
| 08/21/2009 | 3.40 | 3.49 | 3.20 | 3.42 | 255,994 | -1.15% |
|
| 08/20/2009 | 3.40 | 3.46 | 3.30 | 3.46 | 379,980 | +0.29% |
|
| 08/19/2009 | 3.47 | 3.54 | 3.40 | 3.45 | 557,488 | +1.47% |
|
| 08/18/2009 | 3.15 | 3.54 | 3.13 | 3.40 | 452,638 | +6.58% |
|
| 08/17/2009 | 3.30 | 3.35 | 3.11 | 3.19 | 411,405 | -6.73% |
|
| 08/14/2009 | 3.43 | 3.45 | 3.32 | 3.42 | 268,752 | -1.14% |
|
| 08/13/2009 | 3.50 | 3.74 | 3.40 | 3.46 | 668,203 | +1.75% |
|
| 08/12/2009 | 3.34 | 3.45 | 3.29 | 3.40 | 170,599 | +0.29% |
|
| 08/11/2009 | 3.44 | 3.55 | 3.38 | 3.39 | 169,039 | -5.04% |
|
| 08/10/2009 | 3.40 | 3.57 | 3.35 | 3.57 | 187,027 | +3.18% |
|
| 08/07/2009 | 3.50 | 3.60 | 3.44 | 3.46 | 284,603 | -1.15% |
|
| 08/06/2009 | 3.50 | 3.59 | 3.50 | 3.50 | 601,776 | +2.43% |
|
| 08/05/2009 | 3.43 | 3.53 | 3.36 | 3.42 | 264,688 | +0.80% |
|
| 08/04/2009 | 3.18 | 3.57 | 3.18 | 3.39 | 801,149 | +8.65% |
|
| 08/03/2009 | 3.15 | 3.15 | 3.00 | 3.12 | 161,944 | -1.27% |
|
| 07/31/2009 | 3.08 | 3.22 | 2.91 | 3.16 | 167,494 | +1.94% |
|
| 07/30/2009 | 3.00 | 3.16 | 2.94 | 3.10 | 169,400 | +3.68% |
|
| 07/29/2009 | 3.15 | 3.20 | 2.90 | 2.99 | 336,479 | -5.08% |
|
| 07/28/2009 | 2.60 | 3.25 | 2.57 | 3.15 | 759,472 | +23.05% |
|
| 07/27/2009 | 2.55 | 2.60 | 2.51 | 2.56 | 83,585 | +0.79% |
|
| 07/24/2009 | 2.55 | 2.55 | 2.52 | 2.54 | 62,318 | +0.79% |
|
| 07/23/2009 | 2.60 | 2.60 | 2.50 | 2.52 | 72,489 | -0.40% |
|
| 07/22/2009 | 2.51 | 2.63 | 2.48 | 2.53 | 78,894 | +3.27% |
|
| 07/21/2009 | 2.46 | 2.68 | 2.45 | 2.45 | 73,085 | -1.61% |
|
| 07/20/2009 | 2.48 | 2.56 | 2.43 | 2.49 | 55,191 | +0.40% |
|
| 07/17/2009 | 2.45 | 2.51 | 2.42 | 2.48 | 110,744 | +2.48% |
|
| 07/16/2009 | 2.58 | 2.66 | 2.41 | 2.42 | 158,177 | -6.21% |
|
| 07/15/2009 | 2.60 | 2.63 | 2.45 | 2.58 | 69,959 | 0.00% |
|
| 07/14/2009 | 2.41 | 2.59 | 2.41 | 2.58 | 89,338 | +5.31% |
|
| 07/13/2009 | 2.50 | 2.50 | 2.43 | 2.45 | 38,020 | -2.39% |
|
| 07/10/2009 | 2.57 | 2.57 | 2.47 | 2.51 | 84,411 | +0.40% |
|
| 07/09/2009 | 2.57 | 2.77 | 2.42 | 2.50 | 49,173 | +1.96% |
|
| 07/08/2009 | 2.57 | 2.62 | 2.35 | 2.45 | 211,749 | -5.70% |
|
| 07/07/2009 | 2.87 | 2.87 | 2.58 | 2.60 | 95,405 | -7.47% |
|
| 07/06/2009 | 2.90 | 2.90 | 2.69 | 2.81 | 124,468 | -2.77% |
|
| 07/02/2009 | 2.84 | 2.90 | 2.80 | 2.89 | 59,886 | -0.34% |
|
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