| Date | Open | Close | Volume |
| 2010-03-02 | 32.37 | 32.71 | 11200 |
| 2010-03-01 | 32.53 | 32.88 | 19700 |
| 2010-02-26 | 32.76 | 32.88 | 32500 |
| 2010-02-25 | 32.47 | 32.40 | 25000 |
| 2010-02-24 | 31.68 | 31.82 | 31100 |
| 2010-02-23 | 30.43 | 31.74 | 29500 |
| 2010-02-22 | 30.18 | 30.27 | 39400 |
| 2010-02-19 | 30.36 | 30.50 | 37200 |
| 2010-02-18 | 30.67 | 30.03 | 57200 |
| 2010-02-17 | 31.07 | 30.55 | 78200 |
| 2010-02-16 | 30.90 | 31.56 | 34300 |
| 2010-02-12 | 31.47 | 31.28 | 10900 |
| 2010-02-11 | 31.46 | 30.93 | 27400 |
| 2010-02-10 | 32.60 | 31.52 | 31800 |
| 2010-02-09 | 33.20 | 32.50 | 47800 |
| 2010-02-08 | 33.34 | 33.52 | 16400 |
| 2010-02-05 | 32.69 | 33.34 | 39900 |
| 2010-02-04 | 32.42 | 33.21 | 41000 |
| 2010-02-03 | 32.29 | 31.58 | 12700 |
| 2010-02-02 | 32.59 | 32.75 | 5000 |
| 2010-02-01 | 33.08 | 32.57 | 22800 |
| 2010-01-29 | 32.45 | 33.49 | 22200 |
| 2010-01-28 | 32.26 | 32.55 | 32600 |
| 2010-01-27 | 32.89 | 32.89 | 26800 |
| 2010-01-26 | 33.41 | 32.84 | 20400 |
| 2010-01-25 | 32.75 | 32.81 | 17600 |
| 2010-01-22 | 33.40 | 33.37 | 29600 |
| 2010-01-21 | 32.86 | 33.64 | 31800 |
| 2010-01-20 | 32.59 | 32.93 | 18800 |
| 2010-01-19 | 31.89 | 32.07 | 38000 |
| 2010-01-15 | 32.26 | 32.20 | 52000 |
| 2010-01-14 | 30.86 | 31.62 | 53400 |
Other Companies: 02-11-2009 | MPS LINK TO DJIA | 08-02-2008-1
Perficient Inc. | 10-10-2007 | Charles & Colvard Ltd.