MOST NOTEWORTHY: American Axle, Knight Transportation and Newfield Exploration were today's noteworthy upgrades.

• Citigroup upgraded shares of American Axle and Manufacturing Holdings Inc (NYSE: AXL) to Buy from Hold on valuation following the recent sell-off and recommends switching out of General Motors Corporation (NYSE: GM) and into AXL; the firm downgraded GM to Hold from Buy.
• Wachovia upgraded Knight Transportation Inc (NYSE: KNX) to Outperform from Market Perform as they expect the company to benefit earlier from capacity leaving the TL market.
• KeyBanc raised Newfield Exploration Company (NYSE: NFX) to Buy from Hold based on production growth visibility, Rockies value, and increased estimates.

OTHER UPGRADES:

• LCA Vision Incorporated (NASDAQ: LCAV) was upgraded to Sector Perform from Underperform at RBC Capital.
• Deutsche Bank raised Grupo Aeroportuario del Pacifico SA (NYSE: PAC) to Buy from Hold
Baker Hughes Incorporated (NYSE: BHI) to Buy from Neutral.

Analyst upgrades: American Axle, Knight Transportation, Newfield Exploration originally appeared on BloggingStocks on Tue, 27 May 2008 13:10:00 EST. Please see our terms for use of feeds.