| Date | Open | Close | Volume |
| 2010-03-02 | 38.58 | 38.96 | 676400 |
| 2010-03-01 | 36.10 | 38.20 | 797700 |
| 2010-02-26 | 35.76 | 35.96 | 213900 |
| 2010-02-25 | 35.79 | 35.90 | 202800 |
| 2010-02-24 | 35.10 | 35.96 | 238700 |
| 2010-02-23 | 35.21 | 35.01 | 194200 |
| 2010-02-22 | 35.60 | 35.36 | 208800 |
| 2010-02-19 | 35.25 | 35.65 | 237800 |
| 2010-02-18 | 35.08 | 35.24 | 274400 |
| 2010-02-17 | 35.19 | 35.00 | 278400 |
| 2010-02-16 | 35.21 | 35.19 | 180500 |
| 2010-02-12 | 34.38 | 35.19 | 282600 |
| 2010-02-11 | 33.84 | 34.57 | 228000 |
| 2010-02-10 | 33.61 | 34.03 | 277700 |
| 2010-02-09 | 32.19 | 33.90 | 542600 |
| 2010-02-08 | 32.76 | 32.86 | 392100 |
| 2010-02-05 | 33.10 | 32.98 | 539800 |
| 2010-02-04 | 33.14 | 32.57 | 923000 |
| 2010-02-03 | 31.86 | 32.07 | 139300 |
| 2010-02-02 | 31.89 | 32.02 | 117600 |
| 2010-02-01 | 31.18 | 31.97 | 85600 |
| 2010-01-29 | 31.97 | 31.21 | 153200 |
| 2010-01-28 | 32.08 | 31.78 | 213400 |
| 2010-01-27 | 31.44 | 32.09 | 179400 |
| 2010-01-26 | 32.19 | 31.54 | 321300 |
| 2010-01-25 | 32.19 | 32.38 | 197900 |
| 2010-01-22 | 32.29 | 32.05 | 292200 |
| 2010-01-21 | 33.10 | 32.50 | 354500 |
| 2010-01-20 | 33.33 | 32.99 | 297900 |
| 2010-01-19 | 33.93 | 33.46 | 413500 |
| 2010-01-15 | 35.28 | 34.01 | 220800 |
| 2010-01-14 | 34.87 | 35.10 | 201100 |
Other Companies: 01-18-2008 | Level 3 Communications Inc. | 12-31-2007
Magic Software Enterprises Ltd. | 02-12-2008 | Image Sensing Systems, Inc.