AIG: Analysts' Upgrades, Downgrades

NEW YORK (TheStreet) -- CHANGE IN RATINGS

Aetna (AET Quote) downgraded at Leerink Swann from Outperform to Market Perform. Valuation call, as the group will struggle to grow in the near term.

American International (AIG Quote) downgraded at Bernstein from Market Perform to Underperform. $10 price target. Valuation call, as the fundamentals have not changed in recent weeks.

Alexion(ALXN Quote) upgraded at Citi to Buy and raised the price target to $55 from $45. 2009 and 2010 EPS estimates set at $0.85 and $1.27, respectively.

Central European Media (CETV Quote) downgraded at Morgan Joseph from Buy to Hold. Valuation call, as the stock has rebounded sharply since earnings.

Coach (COH Quote) upgraded at Merrill/BofA from Neutral to Buy as lower-priced strategy should improve margins. Price target raised from $28 to $36. 2010 and 2011 EPS estimates set at $1.86 and $2.09, respectively.

Darden Restaurants (DRI Quote) rated new Buy at Stifel Nicolaus. $41 price target. Focus on the higher quality, high-growth names in the space.

Health Net (HNT Quote) upgraded at Stifel from Hold to Buy. $20 price target. Company can exceed near-term earnings expectations.

Intersil (ISIL Quote) upgraded at Oppenheimer from Perform to Outperform. $20 price target. Estimates also raised, to reflect higher end-market demand.

Labcorp (LH Quote) downgraded at Leerink Swann from Outperform to Market Perform. Valuation call, as growth should slow down heading into 2010.

Lockheed Martin (LMT Quote) upgraded at Citi to Buy from Hold largely based on valuation. Price target lifted to $90 from $87.

Motorola (MOT Quote) upgraded at Credit Suisse from Neutral to Outperform. $9.50 price target. Sum-of-the-parts appears to be worth greater than the current price.