| Date | Open | Close | Volume |
| 2010-03-03 | 69.03 | 69.52 | 298900 |
| 2010-03-02 | 67.65 | 68.77 | 323900 |
| 2010-03-01 | 66.21 | 67.60 | 267100 |
| 2010-02-26 | 66.29 | 66.20 | 225300 |
| 2010-02-25 | 65.62 | 66.15 | 164900 |
| 2010-02-24 | 64.96 | 66.24 | 202600 |
| 2010-02-23 | 65.02 | 65.00 | 167700 |
| 2010-02-22 | 65.10 | 65.23 | 171400 |
| 2010-02-19 | 65.21 | 65.21 | 234200 |
| 2010-02-18 | 65.65 | 65.31 | 229900 |
| 2010-02-17 | 65.55 | 65.85 | 126300 |
| 2010-02-16 | 65.49 | 65.28 | 155100 |
| 2010-02-12 | 63.57 | 64.90 | 257700 |
| 2010-02-11 | 62.86 | 64.33 | 297900 |
| 2010-02-10 | 63.08 | 63.10 | 161700 |
| 2010-02-09 | 62.60 | 63.09 | 251400 |
| 2010-02-08 | 62.45 | 62.31 | 255900 |
| 2010-02-05 | 62.09 | 62.85 | 523000 |
| 2010-02-04 | 63.63 | 62.19 | 473200 |
| 2010-02-03 | 64.16 | 64.08 | 236400 |
| 2010-02-02 | 63.81 | 64.65 | 287300 |
| 2010-02-01 | 63.08 | 63.76 | 255800 |
| 2010-01-29 | 63.85 | 63.00 | 337700 |
| 2010-01-28 | 64.76 | 63.67 | 265900 |
| 2010-01-27 | 64.41 | 64.72 | 342600 |
| 2010-01-26 | 63.31 | 63.95 | 326000 |
| 2010-01-25 | 64.26 | 63.42 | 371400 |
| 2010-01-22 | 64.76 | 63.87 | 275200 |
| 2010-01-21 | 65.78 | 64.70 | 328100 |
| 2010-01-20 | 66.41 | 65.78 | 322600 |
| 2010-01-19 | 66.91 | 67.03 | 397200 |
| 2010-01-15 | 67.09 | 66.81 | 281700 |
Other Companies: 10-30-2008 | Websense, Inc. | 03-05-2007-1
Service Corp. International | 02-18-2008-1 | Ditech Networks, Inc.