| Date | Open | Close | Volume |
| 2010-03-02 | 35.50 | 35.24 | 8807600 |
| 2010-03-01 | 35.23 | 35.42 | 6868000 |
| 2010-02-26 | 35.95 | 35.24 | 7104100 |
| 2010-02-25 | 35.24 | 36.02 | 11441400 |
| 2010-02-24 | 34.96 | 35.50 | 7894500 |
| 2010-02-23 | 34.62 | 34.76 | 7834900 |
| 2010-02-22 | 35.30 | 34.75 | 5983800 |
| 2010-02-19 | 34.65 | 34.86 | 4701500 |
| 2010-02-18 | 34.33 | 34.69 | 5142100 |
| 2010-02-17 | 33.69 | 34.19 | 7799400 |
| 2010-02-16 | 33.55 | 34.08 | 5406500 |
| 2010-02-12 | 33.38 | 33.49 | 5645700 |
| 2010-02-11 | 33.25 | 33.60 | 5881800 |
| 2010-02-10 | 33.55 | 33.30 | 6630100 |
| 2010-02-09 | 33.55 | 33.61 | 7249200 |
| 2010-02-08 | 33.90 | 33.29 | 11686000 |
| 2010-02-05 | 33.45 | 33.31 | 12632300 |
| 2010-02-04 | 34.72 | 33.45 | 17080600 |
| 2010-02-03 | 36.00 | 34.62 | 23408700 |
| 2010-02-02 | 36.35 | 36.78 | 7675600 |
| 2010-02-01 | 36.29 | 36.38 | 6073200 |
| 2010-01-29 | 36.52 | 36.05 | 8441900 |
| 2010-01-28 | 36.75 | 36.40 | 5611100 |
| 2010-01-27 | 36.15 | 36.70 | 6706500 |
| 2010-01-26 | 36.55 | 36.17 | 6565500 |
| 2010-01-25 | 36.22 | 36.67 | 6138000 |
| 2010-01-22 | 36.31 | 35.99 | 6976400 |
| 2010-01-21 | 37.15 | 36.45 | 7951700 |
| 2010-01-20 | 36.60 | 36.95 | 5939000 |
| 2010-01-19 | 36.62 | 36.74 | 5621700 |
| 2010-01-15 | 36.93 | 36.60 | 8691800 |
| 2010-01-14 | 37.16 | 37.11 | 5686500 |
Other Companies: 12-12-2007 | Utilities Select Sector SPDR | 05-18-2007
Heidrick & Struggles International Inc. | 01-08-2009-1 | Vanda Pharmaceuticals, Inc.