MOST NOTEWORTHY: U.S. refiners, Rigel Pharma and JetBlue were today's noteworthy upgrades:
- Goldman upgraded the U.S. Refiners to Attractive from Neutral, citing valuations; the firm raised its rating on CVR Energy (NYSE:CVI) and Holly Corp (NYSE:HOC) to Buy from Neutral.
- Lehman upgraded shares of Rigel Pharma (NASDAQ:RIGL) to Overweight from Equal Weight following the company's positive R788 data.
- Bear Stearns said the Lufthansa (DLAKY) investment gives JetBlue (NASDAQ:JBLU) some breathing room to execute on its turnaround but notes the company's long-term strategy remains in question. Bear raised its rating on JetBlue to Peer Perform from Underperform.
OTHER UPGRADES: