Top Analyst Upgrades & Downgrades (AMGN, CS, BEAT, DV, MAR, MSFT, RIMM, SPWRA, TOL)

These are among the top research calls and analyst upgrades and downgrades we have seen early this Friday morning with over two hours until the open:

Amgen (AMGN) Raised to Outperform at Baird.
Credit Suisse (CS) Raised to Neutral at UBS.
CardioNet (BEAT) Started as Underperform at Jefferies.
Devry (DV) Cut to Neutral at Baird.
Marriott (MAR) Cut to Market Perform at FBR.
Microsoft (MSFT) Raised to Overweight at Morgan Stanley.
Research In Motion (RIMM) Raised to Buy at Citigroup.
Sunpower (SPWRA) Cut to Sell from Neutral at Merriman Curhan Ford.
Toll Brothers Inc. (TOL) Cut to Market Perform at KBW.

JON C. OGG