| Date | Open | Close | Volume |
| 2010-03-03 | 60.78 | 61.05 | 1180100 |
| 2010-03-02 | 60.44 | 60.53 | 1350300 |
| 2010-03-01 | 59.94 | 60.06 | 1632800 |
| 2010-02-26 | 59.34 | 59.55 | 770200 |
| 2010-02-25 | 58.49 | 59.39 | 852600 |
| 2010-02-24 | 59.34 | 59.57 | 769400 |
| 2010-02-23 | 60.05 | 59.01 | 720700 |
| 2010-02-22 | 60.37 | 60.27 | 847200 |
| 2010-02-19 | 59.70 | 60.02 | 621700 |
| 2010-02-18 | 58.92 | 59.86 | 488000 |
| 2010-02-17 | 59.79 | 59.30 | 616600 |
| 2010-02-16 | 58.64 | 59.33 | 798100 |
| 2010-02-12 | 56.85 | 57.99 | 763800 |
| 2010-02-11 | 57.33 | 57.84 | 860700 |
| 2010-02-10 | 57.88 | 57.35 | 790700 |
| 2010-02-09 | 57.42 | 57.86 | 837500 |
| 2010-02-08 | 57.55 | 56.59 | 965000 |
| 2010-02-05 | 57.63 | 57.64 | 1560900 |
| 2010-02-04 | 58.56 | 57.48 | 1003700 |
| 2010-02-03 | 59.13 | 59.29 | 799200 |
| 2010-02-02 | 59.89 | 59.61 | 1685200 |
| 2010-02-01 | 58.10 | 59.97 | 1234000 |
| 2010-01-29 | 59.03 | 56.53 | 1992700 |
| 2010-01-28 | 58.00 | 56.98 | 847400 |
| 2010-01-27 | 57.68 | 58.06 | 660700 |
| 2010-01-26 | 57.81 | 57.70 | 542900 |
| 2010-01-25 | 58.35 | 58.11 | 418600 |
| 2010-01-22 | 58.58 | 57.41 | 752000 |
| 2010-01-21 | 61.13 | 58.75 | 809900 |
| 2010-01-20 | 61.02 | 60.93 | 566300 |
| 2010-01-19 | 60.45 | 61.81 | 474400 |
| 2010-01-15 | 60.63 | 60.42 | 650100 |
Other Companies: 05-09-2008-1 | Zapata Corp. | 01-29-2007
Tortoise Capital Resources Corp. | 01-06-2007 | China Natural Resources Inc.