| Date | Open | Close | Volume |
| 2010-03-03 | 2.16 | 2.03 | 53300 |
| 2010-03-02 | 2.00 | 2.16 | 42000 |
| 2010-03-01 | 2.19 | 2.00 | 55100 |
| 2010-02-26 | 2.01 | 2.17 | 38200 |
| 2010-02-25 | 1.94 | 1.99 | 18800 |
| 2010-02-24 | 2.19 | 2.07 | 7700 |
| 2010-02-23 | 2.02 | 2.19 | 27200 |
| 2010-02-22 | 2.11 | 2.02 | 58900 |
| 2010-02-19 | 2.18 | 2.18 | 000 |
| 2010-02-18 | 2.32 | 2.18 | 4400 |
| 2010-02-17 | 2.05 | 2.33 | 12700 |
| 2010-02-16 | 2.04 | 2.03 | 22000 |
| 2010-02-12 | 2.05 | 2.07 | 700 |
| 2010-02-11 | 2.08 | 2.08 | 100 |
| 2010-02-10 | 2.02 | 2.02 | 900 |
| 2010-02-09 | 2.04 | 2.04 | 000 |
| 2010-02-08 | 2.10 | 2.04 | 1100 |
| 2010-02-05 | 2.07 | 2.06 | 1200 |
| 2010-02-04 | 2.07 | 2.07 | 1000 |
| 2010-02-03 | 2.06 | 2.09 | 900 |
| 2010-02-02 | 2.09 | 2.06 | 4100 |
| 2010-02-01 | 2.11 | 2.11 | 13300 |
| 2010-01-29 | 2.17 | 2.22 | 10100 |
| 2010-01-28 | 2.19 | 2.18 | 900 |
| 2010-01-27 | 2.25 | 2.24 | 900 |
| 2010-01-26 | 2.24 | 2.24 | 500 |
| 2010-01-25 | 2.19 | 2.17 | 400 |
| 2010-01-22 | 2.16 | 2.18 | 700 |
| 2010-01-21 | 2.21 | 2.17 | 2400 |
| 2010-01-20 | 2.27 | 2.19 | 2800 |
| 2010-01-19 | 2.26 | 2.25 | 1800 |
| 2010-01-15 | 2.20 | 2.26 | 1100 |
Other Companies: 03-11-2008 | Federal Realty Investment Trust | 11-10-2008-1
Affymetrix Inc. | 08-01-2008-1 | China Unicom Hong Kong Limited.