| Date | Open | Close | Volume |
| 2010-03-03 | 7.50 | 7.64 | 771800 |
| 2010-03-02 | 7.26 | 7.46 | 741400 |
| 2010-03-01 | 7.12 | 7.23 | 914700 |
| 2010-02-26 | 7.25 | 7.01 | 1693700 |
| 2010-02-25 | 7.22 | 7.28 | 1048200 |
| 2010-02-24 | 7.52 | 7.51 | 569900 |
| 2010-02-23 | 7.76 | 7.51 | 770100 |
| 2010-02-22 | 7.86 | 7.86 | 1044100 |
| 2010-02-19 | 7.66 | 7.74 | 1120800 |
| 2010-02-18 | 7.65 | 7.72 | 377900 |
| 2010-02-17 | 7.78 | 7.65 | 826500 |
| 2010-02-16 | 7.70 | 7.68 | 719700 |
| 2010-02-12 | 7.50 | 7.59 | 863900 |
| 2010-02-11 | 7.39 | 7.60 | 631800 |
| 2010-02-10 | 7.41 | 7.42 | 1148300 |
| 2010-02-09 | 7.22 | 7.47 | 1159400 |
| 2010-02-08 | 7.26 | 7.07 | 801900 |
| 2010-02-05 | 7.22 | 7.32 | 1765900 |
| 2010-02-04 | 7.57 | 7.29 | 1185500 |
| 2010-02-03 | 7.86 | 7.72 | 660400 |
| 2010-02-02 | 7.94 | 7.88 | 695700 |
| 2010-02-01 | 7.63 | 7.82 | 972300 |
| 2010-01-29 | 7.54 | 7.53 | 2247300 |
| 2010-01-28 | 7.60 | 7.43 | 1270500 |
| 2010-01-27 | 7.86 | 7.56 | 2147000 |
| 2010-01-26 | 7.94 | 7.88 | 810400 |
| 2010-01-25 | 8.43 | 8.06 | 895000 |
| 2010-01-22 | 8.35 | 8.27 | 1580300 |
| 2010-01-21 | 8.88 | 8.43 | 1703100 |
| 2010-01-20 | 8.99 | 8.95 | 965200 |
| 2010-01-19 | 9.21 | 9.16 | 860700 |
| 2010-01-15 | 9.34 | 9.13 | 1019800 |
Other Companies: 09-14-2008-1 | USG Corp. | 07-30-2008
Clearfield, Inc. | 10-22-2007-1 | Constant Contact, Inc.