| Date | Open | High | Low | Close | Volume | Change % | Historical Rating |
|---|---|---|---|---|---|---|---|
| 02/09/2010 | 4.16 | 4.24 | 4.07 | 4.20 | 70,050 |  +2.44% |
 |
| 02/08/2010 | 4.12 | 4.16 | 4.06 | 4.10 | 53,983 |  -1.68% |
|
| 02/05/2010 | 4.20 | 4.20 | 4.03 | 4.17 | 93,580 | -0.48% |
|
| 02/04/2010 | 4.27 | 4.35 | 4.13 | 4.19 | 192,449 | -2.78% |
|
| 02/03/2010 | 4.25 | 4.35 | 4.18 | 4.31 | 83,335 | +0.47% |
|
| 02/02/2010 | 4.06 | 4.37 | 3.92 | 4.29 | 50,694 | +5.67% |
 |
| 02/01/2010 | 4.31 | 4.31 | 4.04 | 4.06 | 103,208 | -4.92% |
|
| 01/29/2010 | 4.44 | 4.58 | 4.10 | 4.27 | 162,334 | -3.17% |
|
| 01/28/2010 | 4.56 | 4.58 | 4.23 | 4.41 | 76,652 | -3.50% |
|
| 01/27/2010 | 4.02 | 4.60 | 4.00 | 4.57 | 132,937 | +12.56% |
|
| 01/26/2010 | 3.76 | 4.45 | 3.73 | 4.06 | 75,571 | +7.12% |
|
| 01/25/2010 | 3.71 | 3.81 | 3.52 | 3.79 | 44,883 | +3.27% |
|
| 01/22/2010 | 3.92 | 4.04 | 3.65 | 3.67 | 59,259 | -6.38% |
|
| 01/21/2010 | 4.26 | 4.32 | 3.91 | 3.92 | 63,779 | -7.98% |
|
| 01/20/2010 | 4.39 | 4.45 | 4.19 | 4.26 | 38,906 | -3.84% |
|
| 01/19/2010 | 3.91 | 4.43 | 3.91 | 4.43 | 61,364 | +13.30% |
|
| 01/15/2010 | 4.10 | 4.34 | 3.89 | 3.91 | 67,615 | -4.40% |
|
| 01/14/2010 | 3.85 | 4.09 | 3.84 | 4.09 | 24,379 | +6.23% |
|
| 01/13/2010 | 3.89 | 3.99 | 3.84 | 3.85 | 18,528 | -0.77% |
|
| 01/12/2010 | 4.02 | 4.09 | 3.85 | 3.88 | 48,662 | -4.43% |
|
| 01/11/2010 | 3.85 | 4.17 | 3.75 | 4.06 | 98,225 | +6.84% |
|
| 01/08/2010 | 3.79 | 3.85 | 3.75 | 3.80 | 22,443 | -0.52% |
|
| 01/07/2010 | 3.74 | 3.85 | 3.74 | 3.82 | 21,913 | +2.41% |
|
| 01/06/2010 | 3.85 | 4.05 | 3.70 | 3.73 | 86,480 | -3.12% |
|
| 01/05/2010 | 4.01 | 4.09 | 3.85 | 3.85 | 150,990 | -3.99% |
|
| 01/04/2010 | 3.86 | 4.14 | 3.86 | 4.01 | 191,665 | +6.08% |
|
| 12/31/2009 | 3.87 | 3.97 | 3.78 | 3.78 | 87,188 | -2.07% |
|
| 12/30/2009 | 3.88 | 4.00 | 3.81 | 3.86 | 142,543 | -0.26% |
|
| 12/29/2009 | 3.92 | 3.97 | 3.85 | 3.87 | 50,252 | -1.02% |
|
| 12/28/2009 | 3.91 | 4.00 | 3.89 | 3.91 | 40,248 | +1.03% |
|
| 12/24/2009 | 3.85 | 3.95 | 3.82 | 3.87 | 10,632 | +0.78% |
|
| 12/23/2009 | 3.74 | 3.89 | 3.62 | 3.84 | 61,221 | +3.50% |
|
| 12/22/2009 | 3.72 | 3.84 | 3.63 | 3.71 | 64,089 | -0.27% |
|
| 12/21/2009 | 3.62 | 3.76 | 3.61 | 3.72 | 28,815 | +3.62% |
|
| 12/18/2009 | 3.65 | 3.69 | 3.56 | 3.59 | 215,829 | -0.28% |
|
| 12/17/2009 | 3.75 | 3.85 | 3.60 | 3.60 | 104,488 | -4.76% |
|
| 12/16/2009 | 3.75 | 3.80 | 3.73 | 3.78 | 62,989 | +1.89% |
|
| 12/15/2009 | 3.81 | 3.85 | 3.70 | 3.71 | 60,446 | -2.88% |
|
| 12/14/2009 | 3.85 | 3.89 | 3.77 | 3.82 | 31,213 | +0.26% |
|
| 12/11/2009 | 3.68 | 3.88 | 3.59 | 3.81 | 71,888 | +4.67% |
|
| 12/10/2009 | 3.86 | 3.97 | 3.56 | 3.64 | 42,536 | -5.21% |
|
| 12/09/2009 | 4.00 | 4.03 | 3.84 | 3.84 | 75,720 | -3.76% |
|
| 12/08/2009 | 4.13 | 4.17 | 3.93 | 3.99 | 78,163 | -4.55% |
|
| 12/07/2009 | 4.19 | 4.25 | 4.10 | 4.18 | 25,926 | -0.48% |
|
| 12/04/2009 | 4.16 | 4.40 | 4.12 | 4.20 | 57,535 | +3.96% |
|
| 12/03/2009 | 4.43 | 4.43 | 4.00 | 4.04 | 98,612 | -7.97% |
|
| 12/02/2009 | 4.51 | 4.79 | 4.38 | 4.39 | 55,376 | -2.66% |
|
| 12/01/2009 | 4.55 | 4.70 | 4.43 | 4.51 | 34,566 | +0.22% |
|
| 11/30/2009 | 4.53 | 4.67 | 4.35 | 4.50 | 381,007 | -1.32% |
|
| 11/27/2009 | 4.65 | 4.69 | 4.56 | 4.56 | 40,049 | -2.98% |
|
| 11/25/2009 | 4.74 | 4.76 | 4.64 | 4.70 | 170,894 | +0.21% |
|
| 11/24/2009 | 4.78 | 4.78 | 4.65 | 4.69 | 91,018 | -1.68% |
|
| 11/23/2009 | 4.66 | 4.83 | 4.56 | 4.77 | 112,176 | +4.38% |
|
| 11/20/2009 | 4.56 | 4.75 | 4.54 | 4.57 | 69,058 | -0.65% |
|
| 11/19/2009 | 4.74 | 4.77 | 4.37 | 4.60 | 99,626 | -3.36% |
|
| 11/18/2009 | 4.81 | 4.83 | 4.63 | 4.76 | 33,528 | -1.24% |
|
| 11/17/2009 | 4.70 | 4.85 | 4.67 | 4.82 | 29,899 | +2.12% |
|
| 11/16/2009 | 5.26 | 5.26 | 4.69 | 4.72 | 80,987 | -9.92% |
|
| 11/13/2009 | 4.89 | 5.28 | 4.79 | 5.24 | 94,128 | +8.04% |
|
| 11/12/2009 | 5.03 | 5.10 | 4.76 | 4.85 | 108,959 | -4.15% |
|
| 11/11/2009 | 4.57 | 5.07 | 4.56 | 5.06 | 99,261 | +12.20% |
|
| 11/10/2009 | 4.82 | 4.82 | 4.43 | 4.51 | 41,099 | -7.20% |
|
| 11/09/2009 | 4.96 | 4.97 | 4.41 | 4.86 | 90,777 | -0.21% |
|
| 11/06/2009 | 4.43 | 4.94 | 4.36 | 4.87 | 135,044 | +11.19% |
|
| 11/05/2009 | 4.11 | 4.40 | 4.11 | 4.38 | 54,957 | +7.88% |
|
| 11/04/2009 | 4.07 | 4.77 | 4.06 | 4.06 | 209,685 | +1.00% |
|
| 11/03/2009 | 3.95 | 4.08 | 3.89 | 4.02 | 40,517 | +0.50% |
|
| 11/02/2009 | 4.47 | 4.51 | 3.80 | 4.00 | 203,338 | -11.70% |
|
| 10/30/2009 | 4.98 | 5.00 | 4.44 | 4.53 | 149,636 | -10.47% |
|
| 10/29/2009 | 4.95 | 5.31 | 4.78 | 5.06 | 130,560 | -0.78% |
|
| 10/28/2009 | 5.28 | 5.28 | 5.04 | 5.10 | 64,205 | -3.59% |
|
| 10/27/2009 | 5.35 | 5.39 | 5.25 | 5.29 | 36,447 | -0.94% |
|
| 10/26/2009 | 5.67 | 5.67 | 5.31 | 5.34 | 29,318 | -5.99% |
|
| 10/23/2009 | 5.93 | 5.99 | 5.68 | 5.68 | 45,781 | -5.02% |
|
| 10/22/2009 | 6.09 | 6.15 | 5.87 | 5.98 | 55,415 | -1.81% |
|
| 10/21/2009 | 6.09 | 6.20 | 5.85 | 6.09 | 89,405 | -0.16% |
|
| 10/20/2009 | 6.25 | 6.25 | 6.08 | 6.10 | 46,226 | -2.40% |
|
| 10/19/2009 | 6.34 | 6.34 | 6.16 | 6.25 | 43,138 | -0.64% |
|
| 10/16/2009 | 6.06 | 6.36 | 5.93 | 6.29 | 145,810 | +2.78% |
|
| 10/15/2009 | 5.92 | 6.20 | 5.82 | 6.12 | 64,233 | +3.03% |
|
| 10/14/2009 | 5.43 | 5.95 | 5.43 | 5.94 | 59,590 | +12.08% |
|
| 10/13/2009 | 5.30 | 5.41 | 5.26 | 5.30 | 30,203 | -0.56% |
|
| 10/12/2009 | 5.73 | 5.80 | 5.25 | 5.33 | 33,564 | -6.65% |
|
| 10/09/2009 | 5.74 | 5.78 | 5.60 | 5.71 | 17,161 | -0.35% |
|
| 10/08/2009 | 5.81 | 6.00 | 5.73 | 5.73 | 61,565 | -0.52% |
|
| 10/07/2009 | 5.75 | 5.81 | 5.71 | 5.76 | 31,582 | -0.86% |
|
| 10/06/2009 | 5.57 | 5.87 | 5.46 | 5.81 | 49,794 | +4.68% |
|
| 10/05/2009 | 5.30 | 5.55 | 5.00 | 5.55 | 59,212 | +4.52% |
|
| 10/02/2009 | 5.05 | 5.36 | 4.91 | 5.31 | 42,091 | +4.94% |
|
| 10/01/2009 | 5.32 | 5.35 | 5.06 | 5.06 | 44,237 | -5.24% |
|
| 09/30/2009 | 5.45 | 5.53 | 5.07 | 5.34 | 81,845 | -1.66% |
|
| 09/29/2009 | 5.50 | 5.83 | 5.40 | 5.43 | 105,463 | -3.04% |
|
| 09/28/2009 | 5.42 | 5.67 | 5.32 | 5.60 | 82,592 | +4.48% |
|
| 09/25/2009 | 5.11 | 5.59 | 5.10 | 5.36 | 63,821 | +4.69% |
|
| 09/24/2009 | 5.37 | 5.43 | 5.05 | 5.12 | 41,180 | -4.30% |
|
| 09/23/2009 | 5.36 | 5.45 | 5.24 | 5.35 | 62,765 | -0.19% |
|
| 09/22/2009 | 5.22 | 5.45 | 5.20 | 5.36 | 33,326 | +0.37% |
|
| 09/21/2009 | 5.27 | 5.45 | 5.03 | 5.34 | 39,428 | -0.19% |
|
| 09/18/2009 | 5.37 | 5.37 | 5.03 | 5.35 | 144,430 | -1.11% |
|
| 09/17/2009 | 5.04 | 5.45 | 4.95 | 5.41 | 101,552 | +7.34% |
|
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