| Date | Open | Close | Volume |
| 2010-03-02 | 60.80 | 61.70 | 2741500 |
| 2010-03-01 | 59.36 | 60.40 | 1467000 |
| 2010-02-26 | 59.30 | 59.15 | 1308500 |
| 2010-02-25 | 58.50 | 59.14 | 2235500 |
| 2010-02-24 | 58.56 | 59.27 | 2268600 |
| 2010-02-23 | 58.94 | 58.53 | 3488600 |
| 2010-02-22 | 60.64 | 59.93 | 1979300 |
| 2010-02-19 | 60.37 | 60.75 | 1758300 |
| 2010-02-18 | 60.28 | 60.71 | 1467500 |
| 2010-02-17 | 59.95 | 60.27 | 2029600 |
| 2010-02-16 | 59.09 | 59.88 | 1782500 |
| 2010-02-12 | 58.54 | 58.99 | 1959300 |
| 2010-02-11 | 58.62 | 58.99 | 2399000 |
| 2010-02-10 | 58.81 | 58.61 | 1863400 |
| 2010-02-09 | 58.37 | 58.75 | 1693200 |
| 2010-02-08 | 58.41 | 58.31 | 2296300 |
| 2010-02-05 | 58.51 | 58.28 | 3209800 |
| 2010-02-04 | 59.88 | 58.60 | 2597000 |
| 2010-02-03 | 60.35 | 60.20 | 2029300 |
| 2010-02-02 | 59.57 | 60.46 | 1962400 |
| 2010-02-01 | 58.99 | 59.53 | 1965300 |
| 2010-01-29 | 60.52 | 58.82 | 3149900 |
| 2010-01-28 | 59.61 | 60.31 | 2918300 |
| 2010-01-27 | 60.16 | 59.52 | 8194200 |
| 2010-01-26 | 61.53 | 62.35 | 2978500 |
| 2010-01-25 | 61.15 | 61.44 | 2246800 |
| 2010-01-22 | 61.02 | 60.57 | 1683300 |
| 2010-01-21 | 62.41 | 61.33 | 2065100 |
| 2010-01-20 | 63.19 | 62.40 | 1331000 |
| 2010-01-19 | 62.24 | 63.16 | 2766600 |
| 2010-01-15 | 61.89 | 61.92 | 2652000 |
| 2010-01-14 | 62.58 | 61.99 | 1846900 |
Other Companies: 09-24-2007 | XATA Corp. | 04-10-2008
WisdomTree International Industrial | 02-13-2009 | Federated Investors, Inc.