| Date | Open | Close | Volume |
| 2010-03-03 | 10.62 | 10.52 | 404500 |
| 2010-03-02 | 10.03 | 10.57 | 775000 |
| 2010-03-01 | 9.93 | 10.05 | 1287000 |
| 2010-02-26 | 10.05 | 9.85 | 517500 |
| 2010-02-25 | 10.01 | 10.02 | 1025900 |
| 2010-02-24 | 10.54 | 10.12 | 957600 |
| 2010-02-23 | 10.95 | 10.54 | 1755600 |
| 2010-02-22 | 11.14 | 10.94 | 206700 |
| 2010-02-19 | 11.24 | 11.11 | 210400 |
| 2010-02-18 | 11.40 | 11.24 | 223600 |
| 2010-02-17 | 11.28 | 11.45 | 234800 |
| 2010-02-16 | 11.19 | 11.21 | 170600 |
| 2010-02-12 | 11.01 | 11.12 | 174000 |
| 2010-02-11 | 10.78 | 11.16 | 289600 |
| 2010-02-10 | 10.76 | 10.78 | 263400 |
| 2010-02-09 | 10.90 | 10.82 | 413400 |
| 2010-02-08 | 10.72 | 10.76 | 308600 |
| 2010-02-05 | 11.00 | 10.76 | 329600 |
| 2010-02-04 | 11.19 | 10.97 | 444100 |
| 2010-02-03 | 11.19 | 11.25 | 261000 |
| 2010-02-02 | 11.01 | 11.16 | 487800 |
| 2010-02-01 | 10.99 | 10.94 | 708900 |
| 2010-01-29 | 11.04 | 10.92 | 395600 |
| 2010-01-28 | 10.98 | 11.00 | 551700 |
| 2010-01-27 | 10.91 | 10.90 | 325000 |
| 2010-01-26 | 11.49 | 10.92 | 495600 |
| 2010-01-25 | 11.86 | 11.50 | 624000 |
| 2010-01-22 | 11.50 | 11.49 | 936000 |
| 2010-01-21 | 11.79 | 11.50 | 421600 |
| 2010-01-20 | 11.86 | 11.73 | 242700 |
| 2010-01-19 | 11.68 | 11.90 | 266800 |
| 2010-01-15 | 11.93 | 11.62 | 405200 |
Other Companies: 06-22-2007 | Quest Software Inc. | 09-18-2008
Vanguard Telecom Services ETF | 05-10-2009 | C&D Technologies, Inc.