| Upgrades & Downgrades History |
|---|
| Date | Research Firm | Action | From | To |
|---|
| Nov 14, 2012 | Stifel Nicolaus | Initiated | | Hold | | Dec 9, 2011 | Oppenheimer | Initiated | | Outperform | | Nov 24, 2009 | ThinkEquity | Initiated | | Buy | | Oct 8, 2009 | Brean Murray | Initiated | | Buy | | Mar 25, 2009 | Merriman Curhan Ford | Initiated | | Buy | | May 15, 2008 | Rodman & Renshaw | Initiated | | Mkt Outperform | | May 13, 2008 | RBC Capital Mkts | Initiated | | Outperform | | Jun 30, 2005 | Hibernia Southcoast Capital | Initiated | | Buy | | Jun 14, 2004 | Leerink Swann | Initiated | | Outperform | | Mar 1, 2004 | Brean Murray | Initiated | | Strong Buy |
| Current Month | Last Month | Two Months Ago | Three Months Ago |
|---|
| Strong Buy | 3 | 3 | 3 | 4 |
|---|
| Buy | 5 | 5 | 5 | 5 |
|---|
| Hold | 1 | 1 | 1 | 1 |
|---|
| Underperform | 0 | 0 | 0 | 0 |
|---|
| Sell | 0 | 0 | 0 | 0 |
|---|
|
Data provided by Thomson/First Call
Currency in USD. |