| Date | Open | Close | Volume |
| 2010-03-02 | 29.98 | 30.07 | 150600 |
| 2010-03-01 | 29.88 | 29.91 | 168300 |
| 2010-02-26 | 29.72 | 29.79 | 80500 |
| 2010-02-25 | 29.42 | 29.69 | 149100 |
| 2010-02-24 | 29.34 | 29.77 | 153300 |
| 2010-02-23 | 29.64 | 29.29 | 67800 |
| 2010-02-22 | 29.55 | 29.74 | 63200 |
| 2010-02-19 | 29.08 | 29.38 | 182100 |
| 2010-02-18 | 28.98 | 29.26 | 118700 |
| 2010-02-17 | 29.17 | 29.09 | 184800 |
| 2010-02-16 | 28.57 | 28.96 | 254500 |
| 2010-02-12 | 28.04 | 28.39 | 197600 |
| 2010-02-11 | 28.25 | 28.32 | 129200 |
| 2010-02-10 | 28.00 | 28.20 | 200400 |
| 2010-02-09 | 28.07 | 27.98 | 249800 |
| 2010-02-08 | 28.33 | 27.71 | 185600 |
| 2010-02-05 | 28.10 | 28.26 | 554300 |
| 2010-02-04 | 28.85 | 27.98 | 193000 |
| 2010-02-03 | 29.27 | 29.04 | 152700 |
| 2010-02-02 | 29.21 | 29.38 | 172800 |
| 2010-02-01 | 28.94 | 29.15 | 114300 |
| 2010-01-29 | 29.10 | 28.78 | 175900 |
| 2010-01-28 | 29.26 | 28.94 | 202300 |
| 2010-01-27 | 28.53 | 29.09 | 228600 |
| 2010-01-26 | 28.70 | 28.49 | 177600 |
| 2010-01-25 | 29.11 | 28.86 | 211100 |
| 2010-01-22 | 29.53 | 28.68 | 357500 |
| 2010-01-21 | 30.29 | 29.63 | 255900 |
| 2010-01-20 | 30.21 | 30.33 | 222800 |
| 2010-01-19 | 29.88 | 30.34 | 265100 |
| 2010-01-15 | 30.33 | 29.98 | 353800 |
| 2010-01-14 | 30.30 | 30.51 | 147900 |
Other Companies: 12-12-2008-1 | Rydex S&P Equal Weight Financials | 11-28-2008
Willdan Group, Inc. | 05-01-2008-1 | SEI Investments Co.