MOST NOTEWORTHY: Adobe, National Oilwell Varco and Cirrus Logic were today's noteworthy upgrades:
- Deutsche Bank upgraded shares of Adobe (NASDAQ:ADBE) to Buy from Hold following the strong Q4 results, as they believe the negative sentiment around the stock creates an attractive entry point.
- Calyon upgraded shares of National Oilwell Varco (NYSE:NOV) to Buy from Add on valuation, as they believe the market's reaction to the Grant Prideco (NYSE:GRP) acquisition was overly negative. They view GRP as a good strategic fit.
- Cirrus Logic (NASDAQ:CRUS) was upgraded to Buy from Hold at Jefferies on valuation, as they believe the risk/reward is attractive.
OTHER UPGRADES:
- Credit Suisse raised its rating on International Paper (NYSE:IP) to Outperform from Neutral.
- JP Morgan upgraded Embarq (NYSE:EQ) to Overweight from Neutral.
- UBS upgraded Royal Ahold (AHONY) to Neutral from Sell.
J. Crew earnings preview: A strong Q3 all buttoned up?
Twitter to make acquisitions, generate revenue in 2010
Cramer on BloggingStocks: The Fed's push for TARP payback 
