Analysis
Analyst ratings
| Firm | Date | Action |
|---|---|---|
| Jefferies | Dec 13, 2016 | Downgrade |
| Wells Fargo | Nov 01, 2016 | Downgrade |
| Leerink Swann | Oct 26, 2016 | Downgrade |
| Citigroup | Sep 26, 2016 | Initiates |
| Jefferies | Aug 11, 2016 | Upgrade |
| JP Morgan | Aug 05, 2016 | Maintains |
| SunTrust Robinson Humphrey | Aug 04, 2016 | Maintains |
| Barclays | Aug 04, 2016 | Maintains |
| UBS | Aug 04, 2016 | Maintains |
| Stifel | Mar 16, 2016 | Maintains |
| JP Morgan | Mar 14, 2016 | Downgrade |
| Jefferies | Mar 01, 2016 | Downgrade |
| JP Morgan | Feb 25, 2016 | Maintains |
| SunTrust Robinson Humphrey | Feb 24, 2016 | Maintains |
| Barclays | Feb 24, 2016 | Maintains |
| Deutsche Bank | Feb 23, 2016 | Maintains |
| UBS | Feb 18, 2016 | Downgrade |
| Stifel | Feb 09, 2016 | Maintains |
| Jefferies | Jan 21, 2016 | Maintains |
| Baird | Dec 14, 2015 | Downgrade |
| Mizuho | Dec 03, 2015 | Initiates |
| Goldman Sachs | Nov 30, 2015 | Initiates |
| Stifel | Nov 05, 2015 | Maintains |
| B of A Securities | Nov 04, 2015 | Initiates |
| Barclays | Oct 08, 2015 | Maintains |
| Stifel | Sep 28, 2015 | Maintains |
| Jefferies | Sep 25, 2015 | Initiates |
| JP Morgan | Sep 16, 2015 | Initiates |
| Canaccord Genuity | Sep 16, 2015 | Initiates |
| Keybanc | Jun 23, 2015 | Upgrade |