| Date | Open | Close | Volume |
| 2010-03-03 | 24.92 | 24.79 | 4300 |
| 2010-03-02 | 24.78 | 24.82 | 1100 |
| 2010-03-01 | 24.30 | 24.62 | 2600 |
| 2010-02-26 | 24.13 | 24.37 | 3900 |
| 2010-02-25 | 23.78 | 24.34 | 6600 |
| 2010-02-24 | 24.16 | 24.40 | 7200 |
| 2010-02-23 | 24.37 | 24.12 | 16400 |
| 2010-02-22 | 24.43 | 24.37 | 3800 |
| 2010-02-19 | 24.25 | 24.34 | 5400 |
| 2010-02-18 | 24.26 | 24.30 | 4600 |
| 2010-02-17 | 24.25 | 24.25 | 16700 |
| 2010-02-16 | 24.03 | 24.16 | 5000 |
| 2010-02-12 | 23.94 | 24.05 | 800 |
| 2010-02-11 | 23.84 | 24.09 | 9600 |
| 2010-02-10 | 23.74 | 23.75 | 600 |
| 2010-02-09 | 23.56 | 23.95 | 5200 |
| 2010-02-08 | 23.32 | 23.31 | 17300 |
| 2010-02-05 | 23.45 | 23.19 | 125400 |
| 2010-02-04 | 24.05 | 23.87 | 7600 |
| 2010-02-03 | 24.56 | 24.78 | 4500 |
| 2010-02-02 | 24.59 | 24.91 | 2500 |
| 2010-02-01 | 24.51 | 24.52 | 48800 |
| 2010-01-29 | 24.85 | 24.28 | 5400 |
| 2010-01-28 | 24.83 | 25.00 | 3800 |
| 2010-01-27 | 24.98 | 25.29 | 4100 |
| 2010-01-26 | 25.02 | 24.67 | 8800 |
| 2010-01-25 | 24.79 | 25.62 | 4700 |
| 2010-01-22 | 24.83 | 24.45 | 3000 |
| 2010-01-21 | 24.97 | 25.09 | 700 |
| 2010-01-20 | 25.51 | 25.39 | 4800 |
| 2010-01-19 | 25.47 | 25.91 | 2900 |
| 2010-01-15 | 25.70 | 25.45 | 3200 |
Other Companies: 10-20-2008-1 | UltraShort Russell MidCap Gr ProShares | 06-12-2008
Micrel Inc. | 06-09-2007-1 | Thermadyne Holdings Corp.