| Date | Open | Close | Volume |
| 2010-03-02 | 0.78 | 0.80 | 939800 |
| 2010-03-01 | 0.77 | 0.78 | 395800 |
| 2010-02-26 | 0.78 | 0.77 | 395300 |
| 2010-02-25 | 0.76 | 0.78 | 371000 |
| 2010-02-24 | 0.78 | 0.77 | 556400 |
| 2010-02-23 | 0.80 | 0.78 | 596600 |
| 2010-02-22 | 0.81 | 0.80 | 683700 |
| 2010-02-19 | 0.79 | 0.81 | 787200 |
| 2010-02-18 | 0.81 | 0.84 | 1605800 |
| 2010-02-17 | 0.80 | 0.81 | 465600 |
| 2010-02-16 | 0.82 | 0.80 | 494800 |
| 2010-02-12 | 0.80 | 0.81 | 497000 |
| 2010-02-11 | 0.82 | 0.81 | 547300 |
| 2010-02-10 | 0.86 | 0.83 | 516600 |
| 2010-02-09 | 0.81 | 0.86 | 1048700 |
| 2010-02-08 | 0.89 | 0.82 | 1058400 |
| 2010-02-05 | 0.83 | 0.86 | 880300 |
| 2010-02-04 | 0.85 | 0.82 | 1259200 |
| 2010-02-03 | 0.86 | 0.82 | 1413100 |
| 2010-02-02 | 1.01 | 0.86 | 13082800 |
| 2010-02-01 | 0.76 | 0.75 | 664800 |
| 2010-01-29 | 0.82 | 0.73 | 1331700 |
| 2010-01-28 | 0.87 | 0.81 | 3124900 |
| 2010-01-27 | 0.69 | 0.92 | 19434400 |
| 2010-01-26 | 0.71 | 0.69 | 482300 |
| 2010-01-25 | 0.73 | 0.72 | 193500 |
| 2010-01-22 | 0.73 | 0.72 | 374500 |
| 2010-01-21 | 0.77 | 0.73 | 538300 |
| 2010-01-20 | 0.76 | 0.76 | 534900 |
| 2010-01-19 | 0.79 | 0.77 | 490100 |
| 2010-01-15 | 0.79 | 0.79 | 1771400 |
| 2010-01-14 | 0.82 | 0.78 | 2569000 |
Other Companies: 03-03-2007-1 | Heritage-Crystal Clean, Inc | 04-10-2007-1
Hypercom Corp. | 05-19-2008-1 | Nuveen Insured Quality Municipal Fund Inc.