| Date | Open | High | Low | Close | Volume | Change % | Historical Rating |
|---|---|---|---|---|---|---|---|
| 02/09/2010 | 3.84 | 4.06 | 3.83 | 3.93 | 109,192 |  -1.75% |
 |
| 02/08/2010 | 4.18 | 4.18 | 3.85 | 4.00 | 99,322 | -1.23% |
|
| 02/05/2010 | 4.12 | 4.17 | 3.76 | 4.05 | 201,561 | -4.03% |
|
| 02/04/2010 | 4.27 | 4.34 | 4.17 | 4.22 | 166,355 | -3.79% |
|
| 02/03/2010 | 4.40 | 4.40 | 4.32 | 4.39 | 28,063 |  +0.61% |
|
| 02/02/2010 | 4.45 | 4.48 | 4.33 | 4.36 | 83,942 | -2.02% |
|
| 02/01/2010 | 4.45 | 4.49 | 4.28 | 4.45 | 143,810 | -0.22% |
|
| 01/29/2010 | 4.52 | 4.74 | 4.28 | 4.46 | 125,216 | -1.76% |
|
| 01/28/2010 | 4.64 | 4.65 | 4.41 | 4.54 | 82,315 | -3.40% |
|
| 01/27/2010 | 4.71 | 4.81 | 4.37 | 4.70 | 151,993 | -1.05% |
|
| 01/26/2010 | 4.70 | 4.85 | 4.55 | 4.75 | 111,477 | 0.00% |
|
| 01/25/2010 | 4.75 | 4.95 | 4.62 | 4.75 | 140,955 | -1.86% |
|
| 01/22/2010 | 4.95 | 4.95 | 4.64 | 4.84 | 79,852 | -1.43% |
|
| 01/21/2010 | 4.83 | 5.05 | 4.80 | 4.91 | 220,451 | +3.37% |
|
| 01/20/2010 | 4.53 | 4.89 | 4.50 | 4.75 | 152,023 | +2.59% |
|
| 01/19/2010 | 4.26 | 4.78 | 4.26 | 4.63 | 203,114 | +7.18% |
|
| 01/15/2010 | 4.45 | 4.50 | 4.21 | 4.32 | 140,238 | -2.92% |
|
| 01/14/2010 | 4.26 | 4.46 | 4.26 | 4.45 | 104,727 | +3.97% |
|
| 01/13/2010 | 4.37 | 4.40 | 4.10 | 4.28 | 141,680 | -3.17% |
|
| 01/12/2010 | 4.62 | 4.70 | 4.35 | 4.42 | 128,177 | -3.28% |
|
| 01/11/2010 | 4.85 | 4.93 | 4.36 | 4.57 | 260,270 | -3.38% |
|
| 01/08/2010 | 4.58 | 4.80 | 4.52 | 4.73 | 175,945 | +3.96% |
|
| 01/07/2010 | 4.69 | 4.76 | 4.55 | 4.55 | 148,533 | -3.19% |
|
| 01/06/2010 | 4.40 | 4.82 | 4.34 | 4.70 | 392,616 | +8.05% |
|
| 01/05/2010 | 4.23 | 4.48 | 4.10 | 4.35 | 170,591 | +1.64% |
|
| 01/04/2010 | 3.90 | 4.28 | 3.85 | 4.28 | 424,996 | +11.75% |
|
| 12/31/2009 | 3.82 | 3.92 | 3.81 | 3.83 | 50,227 | -1.53% |
|
| 12/30/2009 | 3.86 | 3.91 | 3.81 | 3.89 | 72,368 | +0.25% |
|
| 12/29/2009 | 3.86 | 3.94 | 3.81 | 3.88 | 85,646 | +0.78% |
|
| 12/28/2009 | 3.71 | 3.92 | 3.71 | 3.85 | 184,424 | +1.32% |
|
| 12/24/2009 | 3.81 | 3.84 | 3.77 | 3.80 | 85,907 | -1.04% |
|
| 12/23/2009 | 3.70 | 3.84 | 3.70 | 3.84 | 144,811 | +3.78% |
|
| 12/22/2009 | 3.67 | 3.76 | 3.66 | 3.70 | 394,220 | -1.07% |
|
| 12/21/2009 | 3.80 | 3.84 | 3.65 | 3.74 | 79,534 | -1.06% |
|
| 12/18/2009 | 3.75 | 3.85 | 3.74 | 3.78 | 191,022 | +2.44% |
|
| 12/17/2009 | 3.42 | 3.69 | 3.42 | 3.69 | 226,959 | +7.58% |
|
| 12/16/2009 | 3.38 | 3.52 | 3.37 | 3.43 | 159,076 | +1.18% |
|
| 12/15/2009 | 3.45 | 3.45 | 3.33 | 3.39 | 178,764 | -0.88% |
|
| 12/14/2009 | 3.28 | 3.45 | 3.22 | 3.42 | 129,426 | +3.64% |
|
| 12/11/2009 | 3.20 | 3.40 | 3.17 | 3.30 | 85,166 | +1.54% |
|
| 12/10/2009 | 3.30 | 3.35 | 3.22 | 3.25 | 85,348 | +0.62% |
|
| 12/09/2009 | 3.36 | 3.41 | 3.20 | 3.23 | 90,781 | -5.00% |
|
| 12/08/2009 | 3.37 | 3.48 | 3.32 | 3.40 | 57,712 | +0.29% |
|
| 12/07/2009 | 3.33 | 3.45 | 3.33 | 3.39 | 37,501 | +3.04% |
|
| 12/04/2009 | 3.44 | 3.44 | 3.27 | 3.29 | 74,972 | -1.50% |
|
| 12/03/2009 | 3.44 | 3.44 | 3.26 | 3.34 | 82,911 | +0.60% |
|
| 12/02/2009 | 3.45 | 3.45 | 3.32 | 3.32 | 25,552 | -1.78% |
|
| 12/01/2009 | 3.39 | 3.40 | 3.30 | 3.38 | 65,328 | +2.42% |
|
| 11/30/2009 | 3.40 | 3.41 | 3.22 | 3.30 | 207,963 | -1.20% |
|
| 11/27/2009 | 3.33 | 3.55 | 3.32 | 3.34 | 67,161 | -4.57% |
|
| 11/25/2009 | 3.49 | 3.58 | 3.40 | 3.50 | 58,470 | -1.13% |
|
| 11/24/2009 | 3.60 | 3.60 | 3.50 | 3.54 | 55,991 | -0.28% |
|
| 11/23/2009 | 3.32 | 3.66 | 3.30 | 3.55 | 223,369 | +5.65% |
|
| 11/20/2009 | 3.38 | 3.43 | 3.35 | 3.36 | 67,934 | -4.54% |
|
| 11/19/2009 | 3.55 | 3.61 | 3.45 | 3.52 | 101,464 | -2.49% |
|
| 11/18/2009 | 3.51 | 3.65 | 3.50 | 3.61 | 99,058 | +0.28% |
|
| 11/17/2009 | 3.62 | 3.68 | 3.50 | 3.60 | 64,655 | +1.12% |
|
| 11/16/2009 | 3.52 | 3.73 | 3.46 | 3.56 | 136,005 | +4.09% |
|
| 11/13/2009 | 3.55 | 3.55 | 3.24 | 3.42 | 288,274 | -4.47% |
|
| 11/12/2009 | 3.87 | 3.87 | 3.58 | 3.58 | 155,443 | -5.79% |
|
| 11/11/2009 | 3.94 | 3.94 | 3.78 | 3.80 | 55,763 | -2.56% |
|
| 11/10/2009 | 3.91 | 3.99 | 3.77 | 3.90 | 60,022 | -2.74% |
|
| 11/09/2009 | 3.86 | 4.01 | 3.82 | 4.01 | 63,956 | +3.89% |
|
| 11/06/2009 | 3.95 | 3.95 | 3.79 | 3.86 | 93,672 | -3.50% |
|
| 11/05/2009 | 4.00 | 4.05 | 3.86 | 4.00 | 132,187 | -0.62% |
|
| 11/04/2009 | 3.90 | 4.04 | 3.80 | 4.02 | 160,584 | +6.20% |
|
| 11/03/2009 | 3.80 | 3.97 | 3.74 | 3.79 | 96,689 | -1.33% |
|
| 11/02/2009 | 3.81 | 3.98 | 3.66 | 3.84 | 164,842 | -1.01% |
|
| 10/30/2009 | 4.20 | 4.20 | 3.81 | 3.88 | 92,035 | -5.37% |
|
| 10/29/2009 | 3.82 | 4.13 | 3.77 | 4.10 | 102,059 | +7.61% |
|
| 10/28/2009 | 4.10 | 4.19 | 3.77 | 3.81 | 183,636 | -9.27% |
|
| 10/27/2009 | 4.20 | 4.30 | 4.10 | 4.20 | 143,380 | +1.93% |
|
| 10/26/2009 | 4.38 | 4.40 | 4.01 | 4.12 | 113,441 | -4.19% |
|
| 10/23/2009 | 4.22 | 4.35 | 4.22 | 4.30 | 97,646 | +1.90% |
|
| 10/22/2009 | 4.30 | 4.30 | 4.09 | 4.22 | 151,146 | -2.09% |
|
| 10/21/2009 | 4.32 | 4.40 | 4.27 | 4.31 | 136,702 | -0.23% |
|
| 10/20/2009 | 4.35 | 4.35 | 4.17 | 4.32 | 152,440 | -0.47% |
|
| 10/19/2009 | 4.26 | 4.35 | 4.17 | 4.34 | 186,098 | +2.84% |
|
| 10/16/2009 | 4.20 | 4.30 | 4.10 | 4.22 | 93,159 | -1.17% |
|
| 10/15/2009 | 4.26 | 4.35 | 4.21 | 4.27 | 83,671 | +0.26% |
|
| 10/14/2009 | 4.25 | 4.30 | 4.16 | 4.26 | 63,421 | +1.40% |
|
| 10/13/2009 | 4.15 | 4.25 | 4.15 | 4.20 | 53,992 | +1.20% |
|
| 10/12/2009 | 4.23 | 4.25 | 4.11 | 4.15 | 125,153 | +1.97% |
|
| 10/09/2009 | 4.05 | 4.12 | 3.94 | 4.07 | 126,769 | +1.36% |
|
| 10/08/2009 | 3.93 | 4.35 | 3.85 | 4.02 | 315,763 | +4.30% |
|
| 10/07/2009 | 3.86 | 3.99 | 3.80 | 3.85 | 50,762 | -2.53% |
|
| 10/06/2009 | 3.93 | 3.99 | 3.79 | 3.95 | 126,198 | +6.47% |
|
| 10/05/2009 | 3.59 | 3.76 | 3.40 | 3.71 | 142,372 | +1.64% |
|
| 10/02/2009 | 3.91 | 3.91 | 3.55 | 3.65 | 221,342 | -8.29% |
|
| 10/01/2009 | 4.00 | 4.18 | 3.90 | 3.98 | 324,223 | -0.25% |
|
| 09/30/2009 | 3.92 | 4.06 | 3.90 | 3.99 | 375,693 | +1.79% |
|
| 09/29/2009 | 4.00 | 4.00 | 3.91 | 3.92 | 58,485 | -0.76% |
|
| 09/28/2009 | 3.85 | 4.00 | 3.80 | 3.95 | 175,528 | +2.33% |
|
| 09/25/2009 | 3.90 | 4.00 | 3.85 | 3.86 | 82,708 | -3.02% |
|
| 09/24/2009 | 4.12 | 4.15 | 3.85 | 3.98 | 223,591 | -3.40% |
|
| 09/23/2009 | 4.00 | 4.33 | 3.89 | 4.12 | 631,625 | +5.92% |
|
| 09/22/2009 | 3.81 | 3.99 | 3.71 | 3.89 | 235,311 | +4.01% |
|
| 09/21/2009 | 3.75 | 3.80 | 3.63 | 3.74 | 203,675 | -2.35% |
|
| 09/18/2009 | 3.76 | 3.85 | 3.72 | 3.83 | 141,736 | -0.52% |
|
| 09/17/2009 | 4.00 | 4.00 | 3.78 | 3.85 | 308,941 | -3.51% |
|
|