| Date | Open | Close | Volume |
| 2010-03-03 | 50.38 | 50.55 | 1273500 |
| 2010-03-02 | 50.50 | 50.35 | 1422400 |
| 2010-03-01 | 50.02 | 50.43 | 1886600 |
| 2010-02-26 | 50.52 | 49.99 | 1979300 |
| 2010-02-25 | 49.98 | 50.37 | 1911400 |
| 2010-02-24 | 50.07 | 50.33 | 1892800 |
| 2010-02-23 | 50.52 | 50.29 | 1522600 |
| 2010-02-22 | 50.32 | 50.70 | 1303700 |
| 2010-02-19 | 50.07 | 50.39 | 1455400 |
| 2010-02-18 | 49.34 | 50.32 | 2134500 |
| 2010-02-17 | 49.85 | 49.75 | 2926000 |
| 2010-02-16 | 49.20 | 49.49 | 2424700 |
| 2010-02-12 | 48.51 | 48.81 | 2110700 |
| 2010-02-11 | 48.87 | 48.78 | 2167100 |
| 2010-02-10 | 48.69 | 48.79 | 1299700 |
| 2010-02-09 | 48.77 | 48.70 | 1739700 |
| 2010-02-08 | 48.42 | 48.31 | 2172300 |
| 2010-02-05 | 48.34 | 48.33 | 3492200 |
| 2010-02-04 | 49.48 | 48.13 | 5433300 |
| 2010-02-03 | 50.57 | 49.66 | 3324700 |
| 2010-02-02 | 49.15 | 49.56 | 2709900 |
| 2010-02-01 | 49.38 | 49.02 | 2365100 |
| 2010-01-29 | 48.82 | 49.27 | 2832700 |
| 2010-01-28 | 49.02 | 48.83 | 1801400 |
| 2010-01-27 | 48.40 | 48.96 | 1325400 |
| 2010-01-26 | 48.45 | 48.55 | 2622800 |
| 2010-01-25 | 48.19 | 48.44 | 1607700 |
| 2010-01-22 | 48.33 | 47.89 | 3630300 |
| 2010-01-21 | 48.87 | 48.41 | 2192800 |
| 2010-01-20 | 48.39 | 48.74 | 1519300 |
| 2010-01-19 | 48.09 | 48.82 | 2328700 |
| 2010-01-15 | 48.45 | 48.21 | 2105000 |
Other Companies: 05-21-2009-1 | Genesee & Wyoming Inc. | 12-25-2007
Micrus Endovascular Corp. | 11-06-2009-1 | Rogers Communications Inc.