NEW YORK (TheStreet) -- CHANGE IN RATINGSAmgen ( AMGN) was upgraded at Goldman Sachs to buy from neutral. $130 price target. Company was also added to the Conviction Buy List, as the company has multiple potential catalysts, Goldman said. Biogen Idec ( BIIB) was downgraded at Goldman Sachs to neutral from buy. $215 price target. Valuation call, as the stock is up 44% since December, Goldman said. CapitalSource ( CSE) was downgraded to hold at TheStreet Ratings. Dreamworks ( DWA) was upgraded at Bank of America/Merrill Lynch to neutral. $22 price target. Company appears to be at a positive inflection point, BofA/Merrill said. Freeport-McMoran ( FCX) was upgraded at Nomura to buy from neutral. $38 price target. Company prices appear oversold, and valuation multiples should expand, Nomura said. Fiserv ( FISV) was downgraded at Oppenheimer to perform from outperform. Valuation call, based on an $89 price target, Oppenheimer said.
LSI ( LSI) was downgraded at Goldman Sachs to neutral from buy. $7 price target. Company is leveraged to weak enterprise spending and lower PC demand, Goldman Sachs said. Nuance ( NUAN) was downgraded at Morgan Stanley to equal-weight. Company is facing increased growth risks, Morgan Stanley said. Oil States ( OIS) was downgraded at BMO Capital to underperform. Valuation call, based on an $82 price target, BMO Capital said. Oneok ( OKE) was downgraded at Morgan Stanley to equal-weight. $53 price target. Stock is up 20% year to date, despite deteriorating fundamentals, Morgan Stanley said. Opko Health ( OPK) was downgraded to hold at TheStreet Ratings.
Ultimate Software ( ULTI) was upgraded at Canaccord Genuity to buy. $110 price target. Company is carrying a lot of momentum into the new year, Canaccord said. STOCK COMMENTS/EPS CHANGES Aetna ( AET) estimates, price target were raised at BMO Capital. Shares are now seen reaching $64. Estimates were also increased, given improving core trends, BMO Capital said. Outperform rating. Artisan Partners Asset Management ( APAM) price target and estimates were increased at Citigroup. Solid flows, underlying margin dynamics and favorable FCF, said Citigroup. Price target goes to $47. Avon ( AVP) estimates, price target were boosted at BMO Capital. Shares are now seen reaching $27. Estimates were also increased, as the company is realizing higher margins, BMO Capital said. Outperform rating.