| Upgrades & Downgrades History |
|---|
| Date | Research Firm | Action | From | To |
|---|
| Aug 18, 2011 | Oppenheimer | Downgrade | Outperform | Perform | | Jan 18, 2011 | Stifel Nicolaus | Upgrade | Hold | Buy | | Mar 3, 2010 | Jefferies & Co | Initiated | | Buy | | Mar 11, 2009 | Stifel Nicolaus | Initiated | | Hold | | May 8, 2008 | Piper Jaffray | Upgrade | Neutral | Buy | | Jul 18, 2007 | Piper Jaffray | Initiated | | Outperform | | Jul 18, 2007 | Cowen & Co | Initiated | | Outperform |
| Current Month | Last Month | Two Months Ago | Three Months Ago |
|---|
| Strong Buy | 2 | 2 | 2 | 2 |
|---|
| Buy | 1 | 1 | 1 | 1 |
|---|
| Hold | 3 | 3 | 3 | 3 |
|---|
| Underperform | 0 | 0 | 0 | 0 |
|---|
| Sell | 0 | 0 | 0 | 0 |
|---|
|
Data provided by Thomson/First Call
Currency in USD. |