MOST NOTEWORTHY:

• JP Morgan upgraded shares of UBS AG (NYSE: UBS) to Overweight from Neutral on valuation, as they believe the risk/reward is now attractive.
• Commerzbank AG (OTC: CRZBY) was upgraded to Equal Weight from Underweight at Morgan Stanley, as they believe the company has eliminated much of the uncertainty on asset quality.
• Jefferies upgraded shares of Trico Marine Services Inc (NASDAQ: TRMA) to Buy from Hold and raised their target to $46 from $40 to reflect the growth potential brought on by the company's purchase of Active Subsea ASA.
• B. Riley raised its rating on Optimal Group Inc (NASDAQ: OPMR) to Buy from Neutral to reflect the company's proven management team, acquisition of WowWee and strong balance sheet.
• Citigroup upgraded shares of Mediacom Communications Corporation (NASDAQ: MCCC) to Buy from Hold on valuation following the recent pullback, as they now think the stock is oversold. Citigroup thinks Mediacom will generate free cash in 2008 and they like the pace of buybacks.

• Citigroup upgraded shares of The Allstate Corporation (NYSE: ALL) to Buy from Hold.
• UBS upgraded UnitedHealth Group Incorporated (NYSE: UNH) and Northrop Grumman Corporation (NYSE: NOC) to Buy from Neutral.
  
• Wachovia raised Performance Food Group Company (NASDAQ: PFGC) to Outperform from Market Perform.

Analyst upgrades: UBS, CRZBY, TRMA, OPMR and MCCC originally appeared on BloggingStocks on Wed, 07 Nov 2007 10:20:00 EST. Please see our terms for use of feeds.