| Upgrades & Downgrades History |
|---|
| Date | Research Firm | Action | From | To |
|---|
| Mar 21, 2013 | Northland Capital | Initiated | | Outperform | | Mar 19, 2013 | Chardan Capital Markets | Upgrade | Hold | Buy | | Mar 4, 2013 | HSBC Securities | Upgrade | Neutral | Overweight | | Jan 18, 2013 | Chardan Capital Markets | Downgrade | Buy | Hold | | Dec 6, 2012 | Chardan Capital Markets | Upgrade | Hold | Buy | | Nov 9, 2012 | Canaccord Genuity | Downgrade | Buy | Hold | | Mar 1, 2012 | Needham | Downgrade | Strong Buy | Buy | | Aug 10, 2011 | Needham | Upgrade | Buy | Strong Buy | | Feb 22, 2011 | Needham | Upgrade | Hold | Buy | | Dec 17, 2010 | Auriga U.S.A | Upgrade | Hold | Buy |
| Current Month | Last Month | Two Months Ago | Three Months Ago |
|---|
| Strong Buy | 0 | 3 | 1 | 1 |
|---|
| Buy | 0 | 7 | 5 | 4 |
|---|
| Hold | 0 | 4 | 7 | 8 |
|---|
| Underperform | 0 | 0 | 0 | 1 |
|---|
| Sell | 0 | 0 | 0 | 0 |
|---|
|
Data provided by Thomson/First Call
Currency in USD. |