Research Analyst's Up/Downgrades ( CPLA, SIRI, RIMM, TXRH, WAT, MMR, AB, OSG, SWN, RBA )

Published on Monday, 23 January 2012 09:09 Written by Danny Miller

New York, January 23rd (TradersHuddle.com) - The following are top upgrades and downgrades before the market opens.

Capella Education Co. (NASDAQ:CPLA) was upgraded to Overweight from Equal Weight at Morgan Stanley.

Sirius XM Radio (NASDAQ:SIRI) was downgraded to Equal Weight from Overweight at Morgan Stanley.

Research In Motion (NASDAQ:RIMM) was upgraded to a Hold from Sell at Deutsche Bank, following top management shake up.

Texas Roadhouse (NASDAQ:TXRH) was downgraded to Sector Perform from Outperform at RBC Capital Markets.

Waters Corp. (NYSE:WAT) was upgraded to Overweight from Neutral at JPMorgan.

McMoRan Exploration (NYSE:MMR) was downgraded to Underweight from Neutral at JPMorgan.

AllianceBernstein (NYSE:AB) was downgraded to Underperform from Neutral at Bank of America Merrill.

Overseas Shipholding (NYSE:OSG) was upgraded to a Hold from Sell at Cantor Fitzgerald.

Southwestern Energy (NYSE:SWN) was upgraded to Outperform from Market Perform at BMO Capital.

Ritchie Brothers Auctioneers (NYSE:RBA) was upgraded to Sector Perform from Underperform at RBC Capital.