| Date | Open | Close | Volume |
| 2010-03-02 | 7.65 | 7.68 | 33800 |
| 2010-03-01 | 7.46 | 7.69 | 27300 |
| 2010-02-26 | 7.80 | 7.42 | 17000 |
| 2010-02-25 | 7.40 | 7.46 | 17500 |
| 2010-02-24 | 7.55 | 7.40 | 31600 |
| 2010-02-23 | 8.27 | 7.70 | 17100 |
| 2010-02-22 | 7.76 | 7.62 | 22900 |
| 2010-02-19 | 7.59 | 7.73 | 31500 |
| 2010-02-18 | 7.49 | 7.57 | 17100 |
| 2010-02-17 | 7.51 | 7.45 | 17100 |
| 2010-02-16 | 7.48 | 7.51 | 13300 |
| 2010-02-12 | 7.40 | 7.45 | 16500 |
| 2010-02-11 | 7.34 | 7.46 | 23900 |
| 2010-02-10 | 7.57 | 7.37 | 15200 |
| 2010-02-09 | 7.46 | 7.65 | 15600 |
| 2010-02-08 | 7.31 | 7.41 | 21700 |
| 2010-02-05 | 7.63 | 7.66 | 16200 |
| 2010-02-04 | 7.65 | 7.55 | 27100 |
| 2010-02-03 | 7.69 | 7.69 | 21400 |
| 2010-02-02 | 7.88 | 7.72 | 37100 |
| 2010-02-01 | 7.71 | 7.89 | 22300 |
| 2010-01-29 | 7.62 | 7.70 | 19300 |
| 2010-01-28 | 7.88 | 7.66 | 28200 |
| 2010-01-27 | 7.52 | 7.89 | 15100 |
| 2010-01-26 | 7.59 | 7.57 | 27100 |
| 2010-01-25 | 7.61 | 7.61 | 17400 |
| 2010-01-22 | 7.52 | 7.57 | 23700 |
| 2010-01-21 | 7.85 | 7.39 | 42300 |
| 2010-01-20 | 7.92 | 7.74 | 19300 |
| 2010-01-19 | 7.60 | 7.97 | 12900 |
| 2010-01-15 | 7.75 | 7.59 | 42900 |
| 2010-01-14 | 7.96 | 7.96 | 8100 |
Other Companies: 12-11-2008 | iPass Inc. | 10-25-2007-1
Diodes Incorporated | 03-02-2007 | Ametek Inc.