| Date | Open | Close | Volume |
| 2010-03-04 | 4.70 | 4.75 | 322900 |
| 2010-03-03 | 4.54 | 4.68 | 330800 |
| 2010-03-02 | 4.60 | 4.51 | 343100 |
| 2010-03-01 | 4.46 | 4.60 | 349200 |
| 2010-02-26 | 4.55 | 4.40 | 304000 |
| 2010-02-25 | 4.40 | 4.56 | 271900 |
| 2010-02-24 | 4.46 | 4.52 | 341100 |
| 2010-02-23 | 4.50 | 4.42 | 469600 |
| 2010-02-22 | 4.59 | 4.48 | 406400 |
| 2010-02-19 | 4.39 | 4.51 | 563900 |
| 2010-02-18 | 4.16 | 4.40 | 604600 |
| 2010-02-17 | 4.50 | 4.18 | 931400 |
| 2010-02-16 | 4.13 | 4.41 | 1106500 |
| 2010-02-12 | 3.91 | 4.09 | 399800 |
| 2010-02-11 | 3.79 | 3.99 | 386600 |
| 2010-02-10 | 3.78 | 3.82 | 252700 |
| 2010-02-09 | 3.70 | 3.83 | 414900 |
| 2010-02-08 | 3.63 | 3.64 | 407300 |
| 2010-02-05 | 3.79 | 3.63 | 630000 |
| 2010-02-04 | 3.86 | 3.79 | 503000 |
| 2010-02-03 | 3.95 | 3.90 | 338100 |
| 2010-02-02 | 3.96 | 3.99 | 417200 |
| 2010-02-01 | 3.87 | 3.94 | 302400 |
| 2010-01-29 | 3.93 | 3.85 | 711000 |
| 2010-01-28 | 4.03 | 3.90 | 407800 |
| 2010-01-27 | 3.92 | 4.00 | 372800 |
| 2010-01-26 | 3.89 | 3.94 | 389500 |
| 2010-01-25 | 3.99 | 3.92 | 428600 |
| 2010-01-22 | 4.03 | 3.95 | 599700 |
| 2010-01-21 | 4.10 | 3.96 | 339600 |
| 2010-01-20 | 4.24 | 4.10 | 491100 |
| 2010-01-19 | 4.29 | 4.29 | 415000 |
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