| Upgrades & Downgrades History |
|---|
| Date | Research Firm | Action | From | To |
|---|
| May 16, 2013 | Deutsche Bank | Downgrade | Buy | Hold | | Jan 7, 2013 | Barclays | Initiated | | Overweight | | Aug 13, 2012 | Canaccord Genuity | Initiated | | Hold | | Dec 13, 2010 | Oppenheimer | Initiated | | Outperform | | Dec 13, 2010 | Stifel Nicolaus | Initiated | | Hold | | Dec 13, 2010 | William Blair | Initiated | | Outperform | | Dec 13, 2010 | Deutsche Bank | Initiated | | Hold |
| Current Month | Last Month | Two Months Ago | Three Months Ago |
|---|
| Strong Buy | 5 | 5 | 5 | 5 |
|---|
| Buy | 3 | 4 | 4 | 4 |
|---|
| Hold | 3 | 2 | 2 | 2 |
|---|
| Underperform | 0 | 0 | 0 | 0 |
|---|
| Sell | 0 | 0 | 0 | 0 |
|---|
|
Data provided by Thomson/First Call
Currency in USD. |