NEW YORK ( TheStreet) -- CHANGE IN RATINGSAdvance Auto ( AAP) rated new Buy at Deutsche. $80 price target. Company can gain market share in a favorable environment. American Eagle Outfitters ( AEO) upgraded at Piper Jaffray from Neutral to Overweight. $19 price target. Business trends have remained strong in Q4. American Eagle Outfitters upgraded at Jefferies to Buy from Hold. $21 price target. Normalizing cotton costs now a tailwind. American Equity Investment ( AEL) is downgraded to hold at TheStreet Ratings. Altera ( ALTR) upgraded at Goldman from Neutral to Buy, Goldman Sachs said. $44 price target. Shipments should return to normal levels in the first half of 2012. American Tower ( AMT) downgraded at JP Morgan from Overweight to Neutral, JP Morgan said. $62 price target. Premium valuation and 12-15% outperformance. Ann Inc. ( ANN) upgraded at Jefferies to Buy from Hold, Jefferies said. $32 price target. Normalized cotton costs are now a tailwind. Atmel ( ATML) upgraded at Goldman from Neutral to Buy, Goldman Sachs said. $10 price target. Company is gaining market share in the core MCU business. Becton Dickinson ( BDX) downgraded at Morgan Stanley from Equal-weight to Underweight, Morgan Stanley said. Valuation call, based on a $68 price target. Brookdale Senior ( BKD) downgraded at BofA/Merrill from Buy to Neutral, Bank of America/Merrill Lynch said. $20 price target. Lower housing prices and tax headwinds could hurt earnings. Cooper Industries ( CBE) downgraded at Credit Suisse to Neutral, Credit Suisse said. Valuation call, based on a $55 price target. Chipotle ( CMG) upgraded at Deutsche from Hold to Buy, Deutsche Bank said. $390 price target. Secular leaders should continue to outperform, despite valuation. Cisco Systems ( CSCO) upgraded at JP Morgan from Neutral to Overweight, JP Morgan said. $21 price target. Current issues unlikely to persist in 2012. CapitalSource ( CSE) downgraded at Sterne Agee from Buy to Neutral, Sterne Agee said. $8 price target. Valuation call. Community Health ( CYH) downgraded at BofA/Merrill to Neutral, Bank of America/Merrill Lynch said. $20 price target. Reimbursement headwinds will continue to affect the industry in 2012. Energizer ( ENR) upgraded at Morgan Stanley from Equal-weight to Overweight, Morgan Stanley said. $91 price target. Company has good earnings visibility and should garner a higher price multiple.