MOST NOTEWORTHY:

• Baird upgraded J.B. Hunt Transport Services Inc (NASDAQ: JBHT) to Outperform from Market Perform based on strong trends in Intermodel, valuation, and a $500M share buyback.

• Pacific Growth upgraded shares of Nvidia Corp (NASDAQ: NVDA) to Buy from Neutral citing valuation.

• Buckingham upgraded International Flavors (NYSE: IFF) to Accumulate from Neutral following the company's Q1 report.

• RealNetworks Inc (NASDAQ: RNWK) was raised to Buy from Accumulate at ThinkEquity after its Q1 report.

• Susquehanna upgraded Marchex Inc (NASDAQ: MCHX) to Positive from Neutral. Susquehanna has increased confidence that Marchex will be able to increase monetization via Yahoo!'s (YHOO) Panama upgrade, improving 2008 TAC rates and increased value of owned sites following a major upgrade for 2H07.
  

• Jefferies raised Symantec Corp (NASDAQ: SYMC) shares to Buy from Hold with a $21 target.

• JP Morgan upgraded Comverse Technology Inc (NASDAQ: CMVT).

• Raytheon Co (NYSE: RTN) was upgraded to Overweight from Equal Weight at Lehman Brothers.

• SPX Corp (NYSE: SPW) was raised to Neutral from Underperform at Needham.

• Wachovia upgraded IntercontinentalExchange, Inc (NYSE: ICE) to Outperform from Market Perform.

Analyst upgrades 5-03-07: CMVT, IFF, JBHT, RTN and SYMC originally appeared on BloggingStocks on Thu, 03 May 2007 11:38:00 EST. Please see our terms for use of feeds.