Analyst downgrades: AIG, PSUN, FDX and LNG

MOST NOTEWORTHY: American International Group, Pacific Sunwear, FedEx and Cheniere Energy were today's noteworthy downgrades:

Goldman downgraded American International Group (NYSE: AIG) to Neutral from Buy as they expect market concerns regarding balance sheet pressures and dilutive capital raises to pressure shares.
Citigroup downgraded shares of Pacific Sunwear (NASDAQ: PSUN) to Sell from Buy as they believe Q1 trends are disappointing following the comp results.
Morgan Keegan downgraded FedEx (NYSE: FDX) to Market Perform from Outperform citing the uncertainty related to fuel prices and the economy. RBC
Capital cut Cheniere Energy (NYSE: LNG) to Underperform from Outperform citing the corrected 2007 10K which indicates increased liquidity concerns.

OTHER DOWNGRADES:

Oppenheimer cut Navios Maritime (NYSE: NM) to Perform from Outperform.
Credit Suisse lowered TAL International Group (NYSE: TAL) to Neutral from Outperform.
Vital Signs (NASDAQ: VITL) was downgraded at Piper to Neutral from Buy.

Tags: aig, cheniere, downgrade, fdx, fedex, lng, navios, nm, pacific sunwear, PacificSunwear, psun, tal, vital signs, VitalSigns, vitl