| Upgrades & Downgrades History |
|---|
| Date | Research Firm | Action | From | To |
|---|
| Apr 27, 2011 | RBC Capital Mkts | Upgrade | Sector Perform | Outperform | | Dec 8, 2010 | Wedbush | Initiated | | Outperform | | Jul 16, 2008 | RBC Capital Mkts | Downgrade | Outperform | Sector Perform | | Mar 20, 2008 | Wachovia | Initiated | | Outperform | | Mar 11, 2008 | BMO Capital Markets | Initiated | | Market Perform | | Oct 9, 2007 | Lehman Brothers | Initiated | | Equal-weight | | Feb 23, 2007 | Bear Stearns | Initiated | | Outperform | | Mar 23, 2006 | HSBC Securities | Downgrade | Neutral | Underweight | | Sep 23, 2005 | Rodman & Renshaw | Initiated | | Mkt Outperform | | Jul 1, 2005 | Leerink Swann | Initiated | | Outperform |
| Current Month | Last Month | Two Months Ago | Three Months Ago |
|---|
| Strong Buy | 0 | 0 | 0 | 0 |
|---|
| Buy | 0 | 0 | 0 | 0 |
|---|
| Hold | 0 | 4 | 4 | 3 |
|---|
| Underperform | 0 | 1 | 1 | 1 |
|---|
| Sell | 0 | 0 | 0 | 0 |
|---|
|
Data provided by Thomson/First Call
Currency in USD. |