| Upgrades & Downgrades History |
|---|
| Date | Research Firm | Action | From | To |
|---|
| Jul 3, 2012 | JMP Securities | Initiated | | Mkt Outperform | | Apr 11, 2012 | Brinson Patrick | Initiated | | Market Outperform | | Jan 6, 2012 | William Blair | Initiated | | Outperform | | Sep 7, 2010 | Rodman & Renshaw | Initiated | | Mkt Outperform | | Aug 19, 2009 | Robert W. Baird | Initiated | | Outperform | | Jul 29, 2009 | Roth Capital | Initiated | | Buy | | Feb 13, 2009 | Ladenburg Thalmann | Initiated | | Buy | | Dec 18, 2007 | Merriman Curhan Ford | Initiated | | Buy | | Oct 24, 2005 | Ferris Baker Watts | Initiated | | Buy |
| Current Month | Last Month | Two Months Ago | Three Months Ago |
|---|
| Strong Buy | 3 | 3 | 2 | 2 |
|---|
| Buy | 4 | 4 | 4 | 3 |
|---|
| Hold | 0 | 0 | 0 | 1 |
|---|
| Underperform | 0 | 0 | 0 | 0 |
|---|
| Sell | 0 | 0 | 0 | 0 |
|---|
|
Data provided by Thomson/First Call
Currency in USD. |