NEW YORK ( TheStreet) -- CHANGE IN RATINGS

Berry Petroleum ( BRY) initiated at JP Morgan. Initiated with an Overweight rating and $40.50 price target. Introduces 2010 EPS estimates of $4.96.

Cheesecake Factory ( CAKE) upgraded at Baird from Neutral to Outperform. $32 price target. Company is seeing better sales and traffic trends.

Clear Channel Outdoor ( CCO) upgraded at Piper Jaffray. Rating raised to Neutral from Underweight. Price target raised to $12 from $6. 2010 EPS estimates lowered to -$0.11 from -$0.04.

Dean Foods ( DF) downgraded at UBS from Buy to Neutral. $11 price target. Estimates also lowered, given pricing pressures in the milk market.

Electronic Arts ( ERTS) upgraded at MKM from Sell to Neutral. Company is turning the business around and seeing better sales from its new titles.

Legg Mason ( LM) upgraded at BofA/Merrill to Neutral from Underperform on cost savings, large buyback and better flows. Price target maintained at $31.

Nektar Therapeutics ( NKTR) downgraded at Barclays to Equal Weight from Overweight on valuation. Maintain $14 price target.

MetroPCS ( PCS) upgraded at Deutsche from Hold to Buy. $14 price target. New plans should drive subscriber growth.

Petsmart ( PETM) rated new Buy at Jefferies. $39 price target. Company should benefit from a resurgence in discretionary spending.

Primerica ( PRI) rated new Neutral at UBS. PRI was initiated with a Neutral rating. $27 price target. Company can deliver double-digit earnings growth by 2012, but faces compliance issues.

SS&C Technologies ( SSNC) rated new Buy at Deutsche Bank. $19 price target. Industry trends are improving and organic growth could accelerate.

St Jude Medical ( STJ) upgraded at Piper Jaffray to Overweight from Neutral. Maintains $44 price target and 2010 EPS estimates of $2.84.

Talbots ( TLB) initiated at Barclays with an Overweight rating and $23 price target. Sales are recovering broadly and the TLB story is just getting started.

Tyson Foods ( TSN) estimates increased at Morgan Stanley through 2011. Protein market is improving and the company is seeing better operating efficiency. Equal-weight rating.

Tyson Foods ( TSN) downgraded at Credit Suisse to Neutral from Outperform. Valuation call. Price target lowered to $21 from $23.

STOCK COMMENTS / EPS CHANGES

Apple ( AAPL) estimates, target raised at Kaufman. Shares of AAPL now seen reaching $320. Estimates also increased, given higher expected Mac and iPad sales. Buy rating.

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