| Date | Open | Close | Volume |
| 2010-03-03 | 24.32 | 24.94 | 217000 |
| 2010-03-02 | 23.53 | 24.46 | 388900 |
| 2010-03-01 | 23.02 | 23.64 | 870700 |
| 2010-02-26 | 24.15 | 23.55 | 467000 |
| 2010-02-25 | 23.00 | 23.90 | 1182000 |
| 2010-02-24 | 24.90 | 24.90 | 507700 |
| 2010-02-23 | 25.57 | 24.82 | 364400 |
| 2010-02-22 | 25.49 | 25.45 | 234000 |
| 2010-02-19 | 25.30 | 25.26 | 198800 |
| 2010-02-18 | 25.19 | 25.28 | 247400 |
| 2010-02-17 | 24.34 | 25.03 | 95800 |
| 2010-02-16 | 24.18 | 24.54 | 133000 |
| 2010-02-12 | 24.33 | 24.08 | 108600 |
| 2010-02-11 | 23.74 | 24.21 | 171500 |
| 2010-02-10 | 23.63 | 23.75 | 171000 |
| 2010-02-09 | 24.48 | 23.70 | 529800 |
| 2010-02-08 | 24.29 | 23.96 | 242500 |
| 2010-02-05 | 24.68 | 24.39 | 194500 |
| 2010-02-04 | 25.96 | 24.73 | 280700 |
| 2010-02-03 | 25.70 | 25.97 | 270300 |
| 2010-02-02 | 25.35 | 25.88 | 368800 |
| 2010-02-01 | 25.01 | 25.37 | 367700 |
| 2010-01-29 | 25.21 | 24.84 | 456600 |
| 2010-01-28 | 24.77 | 24.84 | 674300 |
| 2010-01-27 | 24.45 | 25.16 | 414800 |
| 2010-01-26 | 22.95 | 24.67 | 2035200 |
| 2010-01-25 | 22.94 | 22.77 | 522400 |
| 2010-01-22 | 23.48 | 23.00 | 796600 |
| 2010-01-21 | 23.50 | 23.28 | 524400 |
| 2010-01-20 | 24.25 | 23.66 | 556800 |
| 2010-01-19 | 24.65 | 24.30 | 1206500 |
| 2010-01-15 | 25.59 | 24.72 | 268700 |
Other Companies: 08-20-2007 | American Campus Communities Inc. | 04-18-2007
Fuel Systems Solutions, Inc. | 03-27-2009-1 | Hurco Companies Inc.