History price
| Date | Open price | Highest price | Lowest price | Close price | Trade volume |
|---|---|---|---|---|---|
| 2011-10-27 | 16.51 | 16.81 | 16.51 | 16.71 | 30,610 |
| 2011-10-26 | 16.41 | 16.61 | 16.41 | 16.51 | 29,290 |
| 2011-10-25 | 16.61 | 16.71 | 16.41 | 16.41 | 43,110 |
| 2011-10-24 | 17.32 | 17.42 | 16.61 | 16.61 | 127,800 |
| 2011-10-21 | 16.11 | 16.91 | 16.11 | 16.91 | 185,350 |
| 2011-10-20 | 16.11 | 16.41 | 16.11 | 16.21 | 42,760 |
| 2011-10-19 | 16.51 | 16.51 | 15.91 | 16.11 | 43,420 |
| 2011-10-18 | 16.01 | 16.11 | 15.91 | 15.91 | 66,040 |
| 2011-10-17 | 16.61 | 16.71 | 16.11 | 16.11 | 57,940 |
| 2011-10-14 | 16.31 | 16.91 | 16.31 | 16.71 | 35,320 |
| 2011-10-13 | 15.91 | 16.61 | 15.91 | 16.51 | 59,710 |
| 2011-10-12 | 16.41 | 16.41 | 15.81 | 16.01 | 173,290 |
| 2011-10-11 | 16.91 | 16.91 | 16.41 | 16.51 | 56,250 |
| 2011-10-10 | 16.81 | 16.81 | 16.31 | 16.41 | 87,040 |
| 2011-10-07 | 17.22 | 17.22 | 16.61 | 16.81 | 65,680 |
| 2011-10-06 | 16.31 | 17.11 | 16.31 | 16.91 | 112,850 |
| 2011-10-05 | 16.61 | 16.61 | 16.11 | 16.31 | 116,450 |
| 2011-10-04 | 15.6 | 16.21 | 15.6 | 15.91 | 166,510 |
| 2011-10-03 | 16.81 | 16.81 | 16.01 | 16.11 | 122,170 |
| 2011-09-30 | 17.11 | 17.42 | 16.51 | 16.71 | 89,590 |