| Date | Open | Close | Volume |
| 2010-03-02 | 25.17 | 25.19 | 444400 |
| 2010-03-01 | 24.94 | 24.90 | 278600 |
| 2010-02-26 | 23.90 | 24.46 | 363300 |
| 2010-02-25 | 23.12 | 23.81 | 112300 |
| 2010-02-24 | 23.38 | 23.62 | 85400 |
| 2010-02-23 | 23.22 | 23.30 | 117200 |
| 2010-02-22 | 23.90 | 23.40 | 127800 |
| 2010-02-19 | 23.64 | 23.51 | 90600 |
| 2010-02-18 | 23.50 | 23.91 | 115000 |
| 2010-02-17 | 24.40 | 23.52 | 187600 |
| 2010-02-16 | 23.41 | 24.02 | 175700 |
| 2010-02-12 | 23.19 | 23.01 | 155900 |
| 2010-02-11 | 22.29 | 23.10 | 235900 |
| 2010-02-10 | 22.29 | 21.97 | 104400 |
| 2010-02-09 | 21.93 | 22.04 | 257800 |
| 2010-02-08 | 20.71 | 21.35 | 259400 |
| 2010-02-05 | 21.66 | 20.57 | 1119700 |
| 2010-02-04 | 23.69 | 21.53 | 758700 |
| 2010-02-03 | 24.26 | 23.87 | 306900 |
| 2010-02-02 | 25.05 | 25.00 | 364000 |
| 2010-02-01 | 24.50 | 24.88 | 316000 |
| 2010-01-29 | 24.00 | 23.95 | 327900 |
| 2010-01-28 | 23.51 | 23.89 | 252400 |
| 2010-01-27 | 23.58 | 23.44 | 314000 |
| 2010-01-26 | 22.47 | 23.24 | 490400 |
| 2010-01-25 | 22.19 | 22.38 | 238500 |
| 2010-01-22 | 21.25 | 22.05 | 376800 |
| 2010-01-21 | 22.15 | 21.27 | 218700 |
| 2010-01-20 | 22.40 | 22.00 | 223400 |
| 2010-01-19 | 21.62 | 22.41 | 160600 |
| 2010-01-15 | 21.89 | 21.32 | 362700 |
| 2010-01-14 | 21.41 | 21.55 | 227200 |
Other Companies: 12-05-2007 | Constellation Energy Group, Inc. | 04-29-2007
Herman Miller Inc. | 11-02-2008 | Tele Norte Leste Participacoes S.A.