| Date | Open | Close | Volume |
| 2010-03-02 | 21.72 | 23.56 | 379800 |
| 2010-03-01 | 20.64 | 21.76 | 140600 |
| 2010-02-26 | 21.24 | 21.17 | 88700 |
| 2010-02-25 | 20.86 | 21.20 | 118900 |
| 2010-02-24 | 20.87 | 21.16 | 134500 |
| 2010-02-23 | 20.60 | 20.74 | 118900 |
| 2010-02-22 | 20.20 | 20.64 | 188300 |
| 2010-02-19 | 20.20 | 20.19 | 216100 |
| 2010-02-18 | 20.55 | 20.19 | 480600 |
| 2010-02-17 | 20.79 | 21.40 | 300700 |
| 2010-02-16 | 19.76 | 20.67 | 199000 |
| 2010-02-12 | 18.83 | 19.72 | 231300 |
| 2010-02-11 | 18.77 | 18.98 | 122400 |
| 2010-02-10 | 18.71 | 18.85 | 56200 |
| 2010-02-09 | 18.84 | 18.82 | 131100 |
| 2010-02-08 | 19.06 | 18.60 | 112100 |
| 2010-02-05 | 19.14 | 19.13 | 130300 |
| 2010-02-04 | 19.56 | 19.16 | 88300 |
| 2010-02-03 | 20.11 | 19.63 | 56500 |
| 2010-02-02 | 19.82 | 20.13 | 92100 |
| 2010-02-01 | 19.50 | 19.88 | 114400 |
| 2010-01-29 | 19.68 | 19.50 | 121000 |
| 2010-01-28 | 20.07 | 19.53 | 108800 |
| 2010-01-27 | 19.80 | 20.10 | 43600 |
| 2010-01-26 | 19.87 | 19.83 | 63200 |
| 2010-01-25 | 20.06 | 19.98 | 67700 |
| 2010-01-22 | 19.98 | 19.97 | 83500 |
| 2010-01-21 | 20.25 | 20.05 | 158200 |
| 2010-01-20 | 20.62 | 20.21 | 139500 |
| 2010-01-19 | 20.82 | 20.75 | 89200 |
| 2010-01-15 | 21.24 | 20.84 | 117000 |
| 2010-01-14 | 21.26 | 21.17 | 45300 |
Other Companies: 02-02-2008-1 | Rockwell Collins Inc. | 02-01-2008
Anixter International Inc. | 03-26-2007-1 | iShares Dow Jones US Telecom