Analysts' Actions: CAT, HOT, VVUS, AMGN

NEW YORK (TheStreet) -- CHANGE IN RATINGS

AFLAC (AFL) rated new Neutral at UBS. $44 price target. Margin compression and product changes cloud outlook.

First Majestic Silver (AG) upgraded to hold at TheStreet Ratings.

Altra Holdings (AIMC) upgraded to buy at TheStreet Ratings.

Ameriprise (AMP) rated new Buy at UBS. $60 price target. Business mix shift will drive results and valuation improvement.

American Tower (AMT) downgraded at Citigroup to Neutral from Buy, Citigroup said. $76 price target. Valuation call and lack of catalysts.

Axcelis Technologies (ACLS) downgraded to sell at TheStreet Ratings.

BreitBurn Energy Partners (BBEP) upgraded to buy at TheStreet Ratings.

Caterpillar (CAT) downgraded at Jefferies to Hold from Buy, Jefferies said. $85 price target. Weakness outside the U.S.

CNH Global (CNH) downgraded at Jefferies to Hold from Buy, Jefferies said. $40 price target. Weakness outside the U.S.

Cinemark (CNK) downgraded at Stifel from Buy to Hold, Stifel Nicolaus said. Valuation call.

Dolby(DLB) downgraded at JP Morgan to Underweight, JP Morgan said. Estimates also cut, given lower unit sales across the board.

Starwood (HOT) downgraded at Argus from Buy to Hold, Argus said. Company is leveraged to a potential global slowdown.

Hillshire Brands (HSH) upgraded at Credit Suisse from Neutral to Outperform, Credit Suisse said. $31 price target. Company is cutting costs and should post better volume growth.

MetLife (MET) rated new Buy at UBS. $43 price target. Attractive global growth opportunities through Alico.

NCR (NCR) upgraded at Compass Point from Neutral to Buy, Compass Point said. $30 price target. Entertainment sale should show the company's true earnings power.

Rovi (ROVI) downgraded at BMO from Outperform to Market Perform, BMO Capital said. Company is seeing lower market demand. $19 price target.

Saks (SKS) downgraded at Goldman from Neutral to Sell, Goldman Sachs said. Estimates also cut, given a weaker macro outlook. $9 price target.