| Date | Open | Close | Volume |
| 2010-03-02 | 1.56 | 1.70 | 3128500 |
| 2010-03-01 | 1.45 | 1.51 | 722000 |
| 2010-02-26 | 1.62 | 1.40 | 1237900 |
| 2010-02-25 | 1.59 | 1.52 | 2615800 |
| 2010-02-24 | 1.30 | 1.74 | 12013800 |
| 2010-02-23 | 1.28 | 1.18 | 296200 |
| 2010-02-22 | 1.37 | 1.28 | 481500 |
| 2010-02-19 | 1.31 | 1.23 | 307500 |
| 2010-02-18 | 1.30 | 1.31 | 378000 |
| 2010-02-17 | 1.56 | 1.34 | 1393900 |
| 2010-02-16 | 1.49 | 1.49 | 4508400 |
| 2010-02-12 | 1.12 | 1.42 | 3019100 |
| 2010-02-11 | 1.06 | 1.17 | 414200 |
| 2010-02-10 | 1.07 | 1.07 | 45000 |
| 2010-02-09 | 1.06 | 1.07 | 67700 |
| 2010-02-08 | 1.09 | 1.08 | 110700 |
| 2010-02-05 | 1.00 | 1.09 | 349300 |
| 2010-02-04 | 1.10 | 1.01 | 153300 |
| 2010-02-03 | 1.00 | 1.01 | 43100 |
| 2010-02-02 | 1.00 | 1.01 | 56800 |
| 2010-02-01 | 1.03 | 1.03 | 47200 |
| 2010-01-29 | 1.00 | 1.04 | 133800 |
| 2010-01-28 | 1.05 | 1.03 | 83900 |
| 2010-01-27 | 1.04 | 1.06 | 56500 |
| 2010-01-26 | 1.08 | 1.04 | 92600 |
| 2010-01-25 | 1.05 | 1.08 | 56500 |
| 2010-01-22 | 1.08 | 1.06 | 131400 |
| 2010-01-21 | 1.08 | 1.10 | 61700 |
| 2010-01-20 | 1.12 | 1.09 | 68800 |
| 2010-01-19 | 1.10 | 1.12 | 185500 |
| 2010-01-15 | 1.10 | 1.07 | 122500 |
| 2010-01-14 | 1.11 | 1.07 | 267200 |
Other Companies: 01-10-2009-1 | Tessera Technologies Inc. | 05-10-2007
Sensient Technologies Corp. | 08-29-2007-1 | Vanguard Value ETF