| Upgrades & Downgrades History |
|---|
| Date | Research Firm | Action | From | To |
|---|
| Feb 14, 2013 | Maxim Group | Downgrade | Hold | Sell | | Nov 12, 2012 | Needham | Initiated | | Buy | | Jul 31, 2012 | Deutsche Bank | Downgrade | Buy | Hold | | Jul 30, 2012 | Maxim Group | Upgrade | Sell | Hold | | Jun 13, 2012 | Summer Street Research | Initiated | | Buy | | May 18, 2012 | Maxim Group | Initiated | | Sell | | Mar 26, 2012 | Canaccord Genuity | Initiated | | Hold | | Dec 9, 2011 | Barclays Capital | Initiated | | Equal Weight | | Sep 16, 2011 | William Blair | Initiated | | Underperform | | Mar 29, 2011 | Collins Stewart | Initiated | | Buy |
| Current Month | Last Month | Two Months Ago | Three Months Ago |
|---|
| Strong Buy | 2 | 2 | 2 | 2 |
|---|
| Buy | 2 | 2 | 1 | 2 |
|---|
| Hold | 12 | 15 | 15 | 15 |
|---|
| Underperform | 4 | 3 | 3 | 3 |
|---|
| Sell | 6 | 4 | 4 | 4 |
|---|
|
Data provided by Thomson/First Call
Currency in USD. |