| Date | Open | Close | Volume |
| 2010-03-03 | 22.07 | 22.21 | 272100 |
| 2010-03-02 | 21.92 | 21.91 | 488700 |
| 2010-03-01 | 21.70 | 21.83 | 526700 |
| 2010-02-26 | 21.84 | 21.50 | 403600 |
| 2010-02-25 | 21.85 | 21.76 | 308000 |
| 2010-02-24 | 22.16 | 22.17 | 250600 |
| 2010-02-23 | 22.31 | 22.04 | 285300 |
| 2010-02-22 | 22.49 | 22.40 | 695100 |
| 2010-02-19 | 22.35 | 22.55 | 844300 |
| 2010-02-18 | 24.00 | 22.80 | 1170200 |
| 2010-02-17 | 25.03 | 25.37 | 228000 |
| 2010-02-16 | 24.55 | 24.90 | 143800 |
| 2010-02-12 | 24.77 | 24.36 | 298700 |
| 2010-02-11 | 24.69 | 24.94 | 128000 |
| 2010-02-10 | 24.39 | 24.68 | 111400 |
| 2010-02-09 | 24.44 | 24.51 | 97600 |
| 2010-02-08 | 24.38 | 24.15 | 243400 |
| 2010-02-05 | 24.66 | 24.39 | 123700 |
| 2010-02-04 | 25.00 | 24.55 | 188900 |
| 2010-02-03 | 25.10 | 25.03 | 185800 |
| 2010-02-02 | 25.04 | 25.25 | 191000 |
| 2010-02-01 | 25.31 | 25.05 | 171900 |
| 2010-01-29 | 25.44 | 25.31 | 174100 |
| 2010-01-28 | 25.90 | 25.30 | 130000 |
| 2010-01-27 | 25.70 | 25.87 | 275600 |
| 2010-01-26 | 25.46 | 25.81 | 147100 |
| 2010-01-25 | 26.14 | 25.46 | 174800 |
| 2010-01-22 | 25.78 | 26.03 | 306000 |
| 2010-01-21 | 25.49 | 25.81 | 281300 |
| 2010-01-20 | 25.45 | 25.49 | 253700 |
| 2010-01-19 | 25.25 | 25.68 | 206500 |
| 2010-01-15 | 24.75 | 25.25 | 419000 |
Other Companies: 03-20-2007-1 | Blackboard Inc. | 11-03-2009-1
Nathan's Famous Inc. | 09-30-2007 | US Gold Corporation