| Date | Open | Close | Volume |
| 2010-03-03 | 17.13 | 17.20 | 29500 |
| 2010-03-02 | 16.78 | 17.16 | 21400 |
| 2010-03-01 | 16.24 | 16.71 | 26400 |
| 2010-02-26 | 16.87 | 16.12 | 47000 |
| 2010-02-25 | 16.60 | 16.82 | 11000 |
| 2010-02-24 | 17.00 | 16.82 | 10400 |
| 2010-02-23 | 17.29 | 16.91 | 23300 |
| 2010-02-22 | 17.49 | 17.26 | 54500 |
| 2010-02-19 | 17.34 | 17.43 | 102200 |
| 2010-02-18 | 17.37 | 17.34 | 63600 |
| 2010-02-17 | 17.31 | 17.43 | 16100 |
| 2010-02-16 | 17.24 | 17.26 | 31000 |
| 2010-02-12 | 17.08 | 17.08 | 28000 |
| 2010-02-11 | 17.05 | 17.20 | 23200 |
| 2010-02-10 | 17.29 | 17.06 | 20000 |
| 2010-02-09 | 17.39 | 17.40 | 75100 |
| 2010-02-08 | 17.69 | 17.21 | 34100 |
| 2010-02-05 | 17.88 | 17.75 | 31100 |
| 2010-02-04 | 18.28 | 17.89 | 38100 |
| 2010-02-03 | 17.67 | 18.28 | 41900 |
| 2010-02-02 | 16.99 | 17.67 | 52800 |
| 2010-02-01 | 17.05 | 17.03 | 21000 |
| 2010-01-29 | 17.25 | 16.94 | 81500 |
| 2010-01-28 | 17.68 | 17.15 | 29700 |
| 2010-01-27 | 17.24 | 17.60 | 17100 |
| 2010-01-26 | 17.38 | 17.35 | 17800 |
| 2010-01-25 | 18.38 | 17.47 | 26800 |
| 2010-01-22 | 18.38 | 18.30 | 40600 |
| 2010-01-21 | 18.84 | 18.37 | 26800 |
| 2010-01-20 | 18.72 | 18.76 | 27300 |
| 2010-01-19 | 18.58 | 18.90 | 34300 |
| 2010-01-15 | 18.68 | 18.60 | 25700 |
Other Companies: 04-20-2007 | Response Genetics, Inc | 05-27-2008-1
Nuveen Michigan Premium Income Municipal Fund | 03-23-2008 | PowerShares Insured National Muni Bond