| Date | Open | Close | Volume |
| 2010-03-04 | 5.68 | 5.81 | 17079900 |
| 2010-03-03 | 5.65 | 5.65 | 24638200 |
| 2010-03-02 | 5.77 | 5.64 | 37533700 |
| 2010-03-01 | 5.86 | 5.74 | 28976900 |
| 2010-02-26 | 5.76 | 5.82 | 42198600 |
| 2010-02-25 | 5.36 | 5.67 | 61356100 |
| 2010-02-24 | 5.42 | 5.45 | 95047200 |
| 2010-02-23 | 5.63 | 5.36 | 183319600 |
| 2010-02-22 | 6.92 | 6.96 | 29597700 |
| 2010-02-19 | 6.75 | 6.84 | 12988600 |
| 2010-02-18 | 6.74 | 6.78 | 19084100 |
| 2010-02-17 | 6.67 | 6.76 | 13552100 |
| 2010-02-16 | 6.63 | 6.69 | 15240800 |
| 2010-02-12 | 6.55 | 6.59 | 16891200 |
| 2010-02-11 | 6.54 | 6.64 | 24134300 |
| 2010-02-10 | 6.32 | 6.60 | 37295000 |
| 2010-02-09 | 6.51 | 6.29 | 28215100 |
| 2010-02-08 | 6.53 | 6.42 | 14366400 |
| 2010-02-05 | 6.50 | 6.55 | 20332800 |
| 2010-02-04 | 6.81 | 6.42 | 24263600 |
| 2010-02-03 | 6.73 | 6.70 | 15379100 |
| 2010-02-02 | 6.70 | 6.75 | 26738600 |
| 2010-02-01 | 6.95 | 6.64 | 41478300 |
| 2010-01-29 | 7.22 | 6.87 | 33603600 |
| 2010-01-28 | 7.41 | 7.13 | 19311800 |
| 2010-01-27 | 7.47 | 7.43 | 11039200 |
| 2010-01-26 | 7.55 | 7.45 | 11826200 |
| 2010-01-25 | 7.45 | 7.52 | 10848700 |
| 2010-01-22 | 7.80 | 7.41 | 18097500 |
| 2010-01-21 | 7.79 | 7.79 | 25959600 |
| 2010-01-20 | 7.87 | 7.73 | 11906400 |
| 2010-01-19 | 7.74 | 7.88 | 6522300 |
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