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. Staples ( SPLS) downgraded at UBS to Neutral from Buy, UBS said. $13 price target. Downside risk limited, but few catalysts. Tiffany ( TIF) upgraded at Goldman from Neutral to Buy, Goldman Sachs said. Brand is rock solid. $70 price target. Tesla Motors ( TSLA) downgraded at Wunderlich from Buy to Sell, Wunderlich said. $28 price target. Company seeing lower demand for the Model S vehicle. VMWare ( VMW) upgraded at Drexel Hamilton from Hold to Buy, Drexel Hamilton said. $110 price target. Company is performing well, despite currency headwinds.