| Date | Open | Close | Volume |
| 2010-03-02 | 14.50 | 14.60 | 4639600 |
| 2010-03-01 | 16.03 | 16.13 | 3110000 |
| 2010-02-26 | 18.28 | 18.50 | 77300 |
| 2010-02-25 | 18.19 | 18.28 | 165800 |
| 2010-02-24 | 18.89 | 18.96 | 292600 |
| 2010-02-23 | 18.79 | 18.68 | 256600 |
| 2010-02-22 | 19.14 | 19.08 | 85000 |
| 2010-02-19 | 18.55 | 18.77 | 84500 |
| 2010-02-18 | 18.69 | 18.97 | 228300 |
| 2010-02-17 | 19.00 | 19.06 | 180500 |
| 2010-02-16 | 18.23 | 18.57 | 67700 |
| 2010-02-12 | 17.82 | 18.16 | 141300 |
| 2010-02-11 | 18.08 | 18.44 | 159200 |
| 2010-02-10 | 18.29 | 18.25 | 278800 |
| 2010-02-09 | 17.79 | 17.82 | 204700 |
| 2010-02-08 | 17.46 | 17.31 | 296200 |
| 2010-02-05 | 18.36 | 18.22 | 551700 |
| 2010-02-04 | 19.06 | 18.55 | 137100 |
| 2010-02-03 | 19.32 | 19.52 | 200600 |
| 2010-02-02 | 18.95 | 19.24 | 332600 |
| 2010-02-01 | 18.70 | 18.78 | 1380500 |
| 2010-01-29 | 18.72 | 18.37 | 4989000 |
| 2010-01-28 | 19.50 | 19.27 | 509200 |
| 2010-01-27 | 19.22 | 19.58 | 742800 |
| 2010-01-26 | 19.42 | 19.42 | 892300 |
| 2010-01-25 | 19.69 | 19.90 | 925300 |
| 2010-01-22 | 19.47 | 19.13 | 1489000 |
| 2010-01-21 | 19.91 | 19.68 | 530800 |
| 2010-01-20 | 20.05 | 20.09 | 975500 |
| 2010-01-19 | 20.20 | 20.24 | 113900 |
| 2010-01-15 | 20.23 | 19.84 | 57500 |
| 2010-01-14 | 20.29 | 20.29 | 50700 |
Other Companies: 04-15-2007 | Cabot Corp. | 03-01-2008-1
GABELLI H&W TR | 09-06-2007-1 | Lancaster Colony Corporation