| Date | Open | Close | Volume |
| 2010-03-02 | 13.59 | 13.40 | 3629600 |
| 2010-03-01 | 13.27 | 13.73 | 2191500 |
| 2010-02-26 | 13.77 | 13.42 | 2600300 |
| 2010-02-25 | 14.12 | 13.91 | 4138400 |
| 2010-02-24 | 13.72 | 13.35 | 3101500 |
| 2010-02-23 | 13.58 | 13.80 | 2543200 |
| 2010-02-22 | 13.26 | 13.35 | 2791700 |
| 2010-02-19 | 13.59 | 13.30 | 2641700 |
| 2010-02-18 | 13.74 | 13.57 | 2382600 |
| 2010-02-17 | 14.27 | 14.08 | 1952800 |
| 2010-02-16 | 14.67 | 14.24 | 2826700 |
| 2010-02-12 | 15.60 | 15.42 | 2251000 |
| 2010-02-11 | 15.25 | 15.06 | 1661000 |
| 2010-02-10 | 15.70 | 15.36 | 1516500 |
| 2010-02-09 | 16.19 | 15.59 | 1431300 |
| 2010-02-08 | 16.64 | 16.61 | 765800 |
| 2010-02-05 | 15.86 | 16.49 | 4255400 |
| 2010-02-04 | 14.98 | 16.02 | 2048200 |
| 2010-02-03 | 14.44 | 14.55 | 2515600 |
| 2010-02-02 | 15.28 | 14.39 | 1912000 |
| 2010-02-01 | 16.04 | 15.40 | 1192500 |
| 2010-01-29 | 15.72 | 16.35 | 1841400 |
| 2010-01-28 | 15.76 | 15.91 | 1568200 |
| 2010-01-27 | 15.56 | 15.95 | 3072200 |
| 2010-01-26 | 15.73 | 15.63 | 971700 |
| 2010-01-25 | 15.61 | 15.37 | 1665100 |
| 2010-01-22 | 15.17 | 15.76 | 3565800 |
| 2010-01-21 | 14.30 | 15.03 | 1871100 |
| 2010-01-20 | 14.29 | 14.51 | 1275200 |
| 2010-01-19 | 14.44 | 13.82 | 1792700 |
| 2010-01-15 | 13.77 | 14.17 | 1902100 |
| 2010-01-14 | 13.56 | 13.70 | 1864600 |
Other Companies: 08-03-2008 | ASM International NV | 03-20-2009-1
Unify Corp. | 08-19-2007-1 | Pep Boys - Manny, Moe & Jack