| Upgrades & Downgrades History |
|---|
| Date | Research Firm | Action | From | To |
|---|
| Oct 23, 2012 | Oppenheimer | Downgrade | Outperform | Perform | | Jul 30, 2012 | William Blair | Initiated | | Outperform | | Apr 12, 2012 | UBS | Initiated | | Buy | | Feb 14, 2012 | RBC Capital Mkts | Initiated | | Outperform | | Jan 19, 2012 | Maxim Group | Initiated | | Buy | | Dec 9, 2011 | Barclays Capital | Initiated | | Overweight | | Oct 14, 2011 | Rodman & Renshaw | Initiated | | Mkt Outperform | | May 5, 2010 | Brean Murray | Upgrade | Hold | Buy | | Mar 18, 2010 | Argus | Downgrade | Buy | Hold | | Nov 9, 2009 | JP Morgan | Upgrade | Neutral | Overweight |
| Current Month | Last Month | Two Months Ago | Three Months Ago |
|---|
| Strong Buy | 10 | 10 | 10 | 10 |
|---|
| Buy | 8 | 8 | 8 | 8 |
|---|
| Hold | 3 | 3 | 2 | 2 |
|---|
| Underperform | 0 | 0 | 0 | 0 |
|---|
| Sell | 0 | 0 | 0 | 0 |
|---|
|
Data provided by Thomson/First Call
Currency in USD. |