NEW YORK ( TheStreet) -- CHANGE IN RATINGS, EPS

ADTRAN ( ADTN) rated new Buy at Think. $37 price target. Derivative play on IP video growth.

Advance Auto Parts ( AAP) numbers boosted at Goldman. Shares of AAP now seen reaching $78. Estimates also upped, as the company is cutting costs. Neutral rating.

Aecom ( ACM) estimates, target lowered at Goldman.ACM estimates were cut through 2013. Company is seeing slower margin growth and paying a higher tax rate. Neutral rating.

Aecom Technology ( ACM) estimates, target cut at UBS. Shares of ACM now seen reaching $28, according to UBS. Estimates also lowered on soft Europe outlook. Buy rating.

Allegiant Travel ( ALGT) numbers raised at UBS.Shares of ALGT now seen reaching $63. Estimates also increased on upbeat investor day. Buy rating.

AMC Networks ( AMCX) upgraded at Stifel from Sell to Hold. Company is seeing better spot pricing.

AuRico Gold ( AUG) upgraded to buy at TheStreet Ratings.

Avis Budget ( CAR) numbers upped at Goldman through 2013. Europe acquisition should add to earnings. Buy rating and new $17.50 price target.

Blackrock ( BLK - Get Report) estimates, target boosted at Credit Suisse.Shares of BLK now seen reaching $198. Estimates also upped, given continued expected organic growth. Outperform rating.

Computer Sciences ( CSC) numbers lowered at Jefferies.Shares of CSC now seen reaching $28. Estimates also lowered, as the second quarter was disappointing. Hold rating.

ConAgra ( CAG - Get Report) downgraded at UBS from Buy to Neutral. $26 price target. Slowing growth with accelerating price elasticity.

Concho Resources ( CXO) downgraded at Deutsche from Buy to Hold. Valuation call, based on a $105 price target.

Deere ( DE - Get Report) estimates lowered at Citigroup through 2012. 2012 margin pressures. Maintain $83 price target and Buy rating.

Enersys ( ENS) estimates, target raised at Goldman. Shares of ENS now seen reaching $26. Estimates also increased, as the company continues to post solid sales growth. Neutral rating.

Equinix ( EQIX) rated new Overweight at JP Morgan. $120 price target. Company is a clear market leader and has several potential growth drivers.

Exelon ( EXC) estimates, target raised at BMO.Shares of EXC now seen reaching $46. Estimates also increased, given new regulations in Illinois. Market Perform rating.

Genworth Financial ( GNW) upgraded at Citigroup from Sell to Neutral. $8 price target. Management plans to pursue a partial IPO.

Kohl's ( KSS - Get Report) estimates, target raised at Goldman. Shares of KSS now seen reaching $56. Estimates also increased, as the company is realizing higher margins and buying back more stock. Neutral rating.

Melco Crown Entertainment ( MPEL) numbers lowered at Jefferies.Shares of MPEL now seen reaching $8.80. Estimates also raised, as the Macau Studio City is not a near term catalyst. Hold rating.

Melco Crown Entertainment upgraded to buy at TheStreet Ratings.

Microsemi ( MSCC) estimates, target lowered at Sterne Agee.MSCC estimates were cut through 2012. Company is being hurt by the floods in Thailand, as well as slower macro growth.

Monsanto ( MON) estimates increased at Citigroup through 2013. Stronger than expected sales in Latin America. Maintain $81 price target and Buy rating.

Nextera Energy ( NEE) numbers reduced at Goldman.NEE estimates were cut through 2012. Company is seeing lower margins. Neutral rating and new $55 price target.

Nordstrom ( JWN - Get Report) estimates cut at Goldman through 2013. Evolving business model could cut into margins. Neutral rating and $50 price target.

NVIDIA ( NVDA - Get Report) estimates raised at Jefferies through 2012. Third quarter beat. Hold rating.

NVIDIA estimates raised at Think through 2013. Consensus growth expectations embedded at current levels. Maintain $10.00 price target and Hold rating.

NVIDIA estimates lowered at UBS through 2013. Results and outlook in line with consensus. Maintain $15.50 price target and Neutral rating.

Pioneer Natural ( PXD) downgraded at Deutsche from Buy to Hold. Valuation call, based on a $100 price target.

Plains Exploration ( PXP) rated new Buy at Keybanc. Valuation call, based on a $45 price target.

Quanta Services ( PWR) downgraded at Baird from Outperform to Neutral. $20 price target. Company will be hurt by the delay of the Keystone pipeline.

Quanta Services numbers cut at Goldman.PWR estimates were cut through 2013. Company is being hurt by the delay in the Keystone pipeline. Neutral rating and new $20 price target.

RadioShack ( RSH) estimates reduced at Goldman through 2013. Company is seeing higher operating costs. Neutral rating and $13.50 price target.

Regions Financial ( RF) rated new Outperform at BMO.Coverage of RF was started with an Outperform rating. $6 price target. Company is leveraged to improving credit quality.

Stryker ( SYK - Get Report) estimates, target increased at Goldman.SYK estimates were raised through 2015. Company is looking to cut costs. Buy rating and new $57 price target.

Teekay Corp ( TK) numbers lowered at Jefferies.Shares of TK now seen reaching $38. Estimates also lowered, on lower than expected Aframax TCE rates during the quarter. Buy rating.

Vertex Pharmaceuticals ( VRTX) estimates, target lowered at UBS.Shares of VRTX now seen reaching $35. Estimates also lowered on lower HCV estimates. Neutral rating.

Viacom ( VIA.B) estimates, target increased at Goldman.VIA.B estimates were raised through 2013. Company is buying back more stock. Buy rating and new $53 price target.

Viacom estimates raised at UBS through 2013. Buyback/valuation offsetting slowing advertising. Maintain $56 price target and Buy rating.

Walt Disney ( DIS - Get Report) estimates, target increased at UBS.Shares of DIS now seen reaching $35. Estimates also increased on solid performance at the parks. Neutral rating.

Whirlpool ( WHR - Get Report) estimates, target reduced at Keybanc.Shares of WHR now seen reaching $68. Estimates also slashed, given lower expected volumes and margins. Buy rating.

Zimmer ( ZMH) downgraded at Argus from Buy to Hold. Company recently cut its guidance.

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David Peltier is a research associate at TheStreet. In keeping with company editorial policy, he doesn't own or short individual stocks. He also doesn't invest in hedge funds or other private investment partnerships. Under no circumstances does the information in this column represent a recommendation to buy or sell stocks. Peltier appreciates your feedback; click here to send him an email.