| Date | Open | High | Low | Close | Volume | Change % | Historical Rating |
|---|---|---|---|---|---|---|---|
| 11/20/2009 | 4.40 | 4.67 | 4.40 | 4.53 | 15,120 |  +3.19% |
 |
| 11/19/2009 | 4.37 | 4.40 | 4.31 | 4.39 | 11,622 |  -1.57% |
|
| 11/18/2009 | 4.52 | 4.57 | 4.24 | 4.46 | 30,520 | 0.00% |
|
| 11/17/2009 | 4.51 | 4.56 | 4.42 | 4.46 | 14,603 | +1.36% |
|
| 11/16/2009 | 4.56 | 4.59 | 4.40 | 4.40 | 25,299 | -3.51% |
|
| 11/13/2009 | 4.45 | 4.61 | 4.44 | 4.56 | 43,214 | +3.64% |
|
| 11/12/2009 | 4.37 | 4.48 | 4.37 | 4.40 | 14,764 | +0.69% |
|
| 11/11/2009 | 4.43 | 4.60 | 4.33 | 4.37 | 46,855 | -1.35% |
|
| 11/10/2009 | 4.36 | 4.47 | 4.35 | 4.43 | 44,585 | +3.02% |
|
| 11/09/2009 | 4.30 | 4.42 | 4.07 | 4.30 | 178,898 | 0.00% |
|
| 11/06/2009 | 4.26 | 4.45 | 4.18 | 4.30 | 61,349 | +1.42% |
|
| 11/05/2009 | 4.01 | 4.44 | 4.00 | 4.24 | 120,905 | +5.74% |
|
| 11/04/2009 | 3.99 | 4.29 | 3.99 | 4.01 | 70,070 | +4.02% |
|
| 11/03/2009 | 4.00 | 4.00 | 3.61 | 3.86 | 50,521 | +0.13% |
|
| 11/02/2009 | 4.00 | 4.00 | 3.67 | 3.85 | 68,081 | -3.75% |
|
| 10/30/2009 | 3.99 | 4.00 | 3.95 | 4.00 | 14,600 | +0.50% |
|
| 10/29/2009 | 4.24 | 4.24 | 3.97 | 3.98 | 15,360 | +0.76% |
|
| 10/28/2009 | 3.95 | 3.99 | 3.93 | 3.95 | 8,623 | +0.77% |
|
| 10/27/2009 | 4.15 | 4.18 | 3.85 | 3.92 | 32,300 | +1.03% |
|
| 10/26/2009 | 4.05 | 4.49 | 3.76 | 3.88 | 40,450 | -4.20% |
|
| 10/23/2009 | 4.36 | 4.52 | 3.90 | 4.05 | 113,197 | -6.03% |
|
| 10/22/2009 | 4.46 | 4.54 | 4.31 | 4.31 | 22,260 | -0.92% |
|
| 10/21/2009 | 4.30 | 4.49 | 4.24 | 4.35 | 29,836 | +2.84% |
|
| 10/20/2009 | 4.40 | 4.76 | 4.22 | 4.23 | 30,424 | +0.48% |
|
| 10/19/2009 | 4.28 | 4.52 | 4.16 | 4.21 | 35,731 | +1.45% |
|
| 10/16/2009 | 4.25 | 4.51 | 4.00 | 4.15 | 137,513 | -3.26% |
|
| 10/15/2009 | 4.50 | 4.51 | 4.26 | 4.29 | 18,686 | -5.09% |
|
| 10/14/2009 | 4.79 | 4.90 | 4.40 | 4.52 | 43,486 | -5.64% |
|
| 10/13/2009 | 5.06 | 5.06 | 4.79 | 4.79 | 14,163 | -4.01% |
|
| 10/12/2009 | 4.98 | 5.02 | 4.93 | 4.99 | 4,902 | -3.11% |
|
| 10/09/2009 | 5.06 | 5.15 | 4.90 | 5.15 | 32,308 | +2.18% |
|
| 10/08/2009 | 5.04 | 5.05 | 5.00 | 5.04 | 12,776 | +1.82% |
|
| 10/07/2009 | 5.07 | 5.07 | 4.79 | 4.95 | 9,053 | -2.17% |
|
| 10/06/2009 | 5.07 | 5.07 | 4.90 | 5.06 | 7,242 | +2.02% |
|
| 10/05/2009 | 4.88 | 5.00 | 4.80 | 4.96 | 4,877 | +3.55% |
|
| 10/02/2009 | 4.90 | 5.00 | 4.50 | 4.79 | 17,227 | -4.77% |
 |
| 10/01/2009 | 5.21 | 5.21 | 4.90 | 5.03 | 26,731 | -6.85% |
|
| 09/30/2009 | 4.90 | 5.40 | 4.90 | 5.40 | 23,541 | +8.00% |
|
| 09/29/2009 | 5.04 | 5.08 | 4.92 | 5.00 | 12,440 | 0.00% |
|
| 09/28/2009 | 4.91 | 5.02 | 4.91 | 5.00 | 11,628 | +0.20% |
|
| 09/25/2009 | 5.00 | 5.05 | 4.99 | 4.99 | 3,665 | -1.19% |
|
| 09/24/2009 | 5.37 | 5.37 | 4.90 | 5.05 | 30,021 | -4.17% |
|
| 09/23/2009 | 5.26 | 5.35 | 5.20 | 5.27 | 9,691 | +0.38% |
|
| 09/22/2009 | 5.23 | 5.40 | 5.19 | 5.25 | 15,871 | +1.94% |
|
| 09/21/2009 | 5.10 | 5.15 | 5.02 | 5.15 | 3,036 | +3.00% |
|
| 09/18/2009 | 4.96 | 5.22 | 4.90 | 5.00 | 18,047 | -1.57% |
|
| 09/17/2009 | 4.93 | 5.09 | 4.93 | 5.08 | 4,674 | +3.25% |
|
| 09/16/2009 | 5.10 | 5.10 | 4.92 | 4.92 | 11,136 | -4.65% |
|
| 09/15/2009 | 5.12 | 5.32 | 5.07 | 5.16 | 19,252 | +2.58% |
|
| 09/14/2009 | 5.16 | 5.16 | 4.88 | 5.03 | 20,639 | +2.44% |
|
| 09/11/2009 | 5.25 | 5.40 | 4.87 | 4.91 | 59,553 | -6.48% |
|
| 09/10/2009 | 5.22 | 5.25 | 5.22 | 5.25 | 4,049 | +1.94% |
|
| 09/09/2009 | 5.08 | 5.15 | 5.05 | 5.15 | 2,270 | +2.79% |
|
| 09/08/2009 | 5.06 | 5.06 | 4.95 | 5.01 | 13,425 | +0.20% |
|
| 09/04/2009 | 4.96 | 5.06 | 4.96 | 5.00 | 6,458 | +1.44% |
|
| 09/03/2009 | 4.86 | 5.05 | 4.86 | 4.93 | 4,091 | -1.03% |
|
| 09/02/2009 | 5.00 | 5.05 | 4.94 | 4.98 | 9,356 | +0.61% |
|
| 09/01/2009 | 4.90 | 5.06 | 4.90 | 4.95 | 11,585 | +1.85% |
|
| 08/31/2009 | 4.94 | 5.07 | 4.86 | 4.86 | 14,743 | -0.82% |
|
| 08/28/2009 | 4.96 | 4.96 | 4.90 | 4.90 | 9,020 | -2.00% |
|
| 08/27/2009 | 5.11 | 5.15 | 4.97 | 5.00 | 21,630 | -1.96% |
|
| 08/26/2009 | 5.18 | 5.21 | 5.05 | 5.10 | 24,005 | -1.54% |
|
| 08/25/2009 | 4.94 | 5.20 | 4.90 | 5.18 | 23,302 | +6.37% |
|
| 08/24/2009 | 4.95 | 4.95 | 4.85 | 4.87 | 20,474 | -0.41% |
|
| 08/21/2009 | 4.90 | 4.92 | 4.80 | 4.89 | 13,316 | +1.45% |
|
| 08/20/2009 | 4.55 | 4.90 | 4.55 | 4.82 | 34,206 | +5.47% |
|
| 08/19/2009 | 4.61 | 4.75 | 4.55 | 4.57 | 21,841 | -0.65% |
|
| 08/18/2009 | 4.48 | 4.75 | 4.42 | 4.60 | 15,555 | +4.07% |
|
| 08/17/2009 | 4.49 | 4.50 | 4.35 | 4.42 | 9,144 | -1.12% |
|
| 08/14/2009 | 4.47 | 4.50 | 4.45 | 4.47 | 10,666 | +1.59% |
|
| 08/13/2009 | 4.39 | 4.50 | 4.38 | 4.40 | 19,455 | +2.33% |
|
| 08/12/2009 | 4.33 | 4.45 | 4.30 | 4.30 | 16,539 | -2.49% |
|
| 08/11/2009 | 4.35 | 4.41 | 4.19 | 4.41 | 44,065 | +6.52% |
|
| 08/10/2009 | 4.18 | 4.21 | 4.09 | 4.14 | 25,221 | +2.22% |
|
| 08/07/2009 | 3.93 | 4.19 | 3.82 | 4.05 | 19,485 | +5.19% |
|
| 08/06/2009 | 4.09 | 4.12 | 3.85 | 3.85 | 65,462 | -3.75% |
|
| 08/05/2009 | 4.15 | 4.42 | 3.90 | 4.00 | 98,019 | -4.51% |
|
| 08/04/2009 | 4.15 | 4.25 | 4.03 | 4.19 | 53,837 | +4.73% |
|
| 08/03/2009 | 3.96 | 4.25 | 3.93 | 4.00 | 58,171 | +4.17% |
|
| 07/31/2009 | 3.80 | 3.93 | 3.80 | 3.84 | 7,461 | +2.40% |
|
| 07/30/2009 | 3.77 | 3.92 | 3.52 | 3.75 | 21,053 | -1.57% |
|
| 07/29/2009 | 3.83 | 3.90 | 3.79 | 3.81 | 3,200 | -0.52% |
|
| 07/28/2009 | 3.84 | 3.99 | 3.81 | 3.83 | 33,191 | +0.52% |
|
| 07/27/2009 | 3.79 | 3.92 | 3.79 | 3.81 | 17,869 | +2.69% |
|
| 07/24/2009 | 3.75 | 3.80 | 3.70 | 3.71 | 12,652 | -1.59% |
|
| 07/23/2009 | 3.76 | 3.82 | 3.75 | 3.77 | 56,750 | 0.00% |
|
| 07/22/2009 | 3.84 | 3.84 | 3.60 | 3.77 | 9,653 | -0.79% |
|
| 07/21/2009 | 3.86 | 3.88 | 3.76 | 3.80 | 22,995 | -2.56% |
|
| 07/20/2009 | 3.95 | 4.05 | 3.88 | 3.90 | 19,251 | -0.76% |
|
| 07/17/2009 | 3.90 | 4.25 | 3.82 | 3.93 | 24,559 | +2.61% |
|
| 07/16/2009 | 3.64 | 4.07 | 3.61 | 3.83 | 115,987 | +11.34% |
|
| 07/15/2009 | 3.43 | 3.50 | 3.43 | 3.44 | 34,594 | +2.08% |
|
| 07/14/2009 | 3.36 | 3.40 | 3.35 | 3.37 | 1,907 | +0.28% |
|
| 07/13/2009 | 3.35 | 3.37 | 3.35 | 3.36 | 4,200 | -1.16% |
|
| 07/10/2009 | 3.40 | 3.40 | 3.40 | 3.40 | 400 | 0.00% |
|
| 07/09/2009 | 3.36 | 3.43 | 3.36 | 3.40 | 4,100 | +3.66% |
|
| 07/08/2009 | 3.28 | 3.49 | 3.27 | 3.28 | 3,100 | -0.30% |
|
| 07/07/2009 | 3.38 | 3.38 | 3.27 | 3.29 | 18,600 | -0.90% |
|
| 07/06/2009 | 3.47 | 3.48 | 3.30 | 3.32 | 22,822 | -2.06% |
|
| 07/02/2009 | 3.50 | 3.50 | 3.37 | 3.39 | 2,800 | -0.88% |
|
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