MOST NOTEWORTHY: Microsoft (MSFT) and Darden Restaurants (DRI) top today's list of upgrades.

• Credit Suisse upgraded Microsoft Corp. (NASDAQ:MSFT) to "Outperform" from Neutral, citing the company's strengthening market position in digital entertainment and potential revenue upside.
• JP Morgan upgraded Darden Restaurants, Inc. (NYSE:DRI) to Neutral from Underweight, reflecting lower commodity costs and solid performance in Olive Garden.

OTHER UPGRADES:

• Triad Hospitals, Inc. (NYSE:TRI) was upgraded from Reduce to Buy at UBS; the upgrade is based on the increased confidence Triad will implement strategic changes to increase shareholder value.
• Morgan Stanley expected a rebound in the ICD market and upgraded St. Jude Medical, Inc. (NYSE:STJ) to Overweight from Equal Weight.
• SafeNet Inc (NASDAQ:SFNT) was added to Stifel Nicolaus' Select List with a $31 target. SafeNet is said to be making progress with their stock option issues and they find the valuation to be attractive.

Analyst summaries provided by TheFlyOnTheWall.com (subscription required).