NEW YORK ( TheStreet) -- CHANGE IN RATINGS

Acxiom ( ACXM) was downgraded at BMO Capital to underperform from market perform. Valuation call, based on a $22 price target, BMO Capital said.

Alliance Data ( ADS - Get Report) was upgraded at BMO Capital to outperform from market perform. $240 price target. Company could see an expansion of the eBay partnership and has exposure to the growing auto sector, BMO Capital said.

Align Technology ( ALGN) was downgraded at Robert Baird to neutral from outperform. Valuation call, as the stock is up 73% year to date, Baird said.

Acuity Brands ( AYI) was upgraded at Sterne Agee to neutral. Estimates were also boosted, given an expected commercial construction recovery, Sterne Agee said.

Chico's FAS ( CHS - Get Report) was downgraded at Wells Fargo to market perform from outperform. Traffic trends will likely remain weak, Wells Fargo said.

Cepheid ( CPHD) was downgraded at ISI Group to sell from cautious. Valuation call, based on a $34 price target, ISI Group said.

21st Century Fox ( FOXA) was initiated with an overweight rating at J.P. Morgan. $39 price target. Impressive mix of businesses, J.P. Morgan said.

HB Fuller ( FUL) was downgraded at Deutsche Bank to hold from buy. Valuation call, as the stock is up 50% over the past year, Deutsche Bank said. $50 price target.

Healthsouth ( HLS) was upgraded to buy at TheStreet Ratings.

Isis Pharmaceuticals ( ISIS) was initiated with a neutral rating at J.P. Morgan. $37 price target. Validated platform and attractive pipeline, but valuation is rich, J.P. Morgan said.

US Airways ( LCC) was downgraded at CRT Capital to fair value from buy. AMR merger is facing increased legal scrutiny, CRT Capital said.

Moneygram ( MGI) was upgraded at Compass Point to buy from neutral. Valuation call, based on a $23 price target, Compass Point said.

Marsh & McLennan ( MMC) was downgraded at Miller Tabak to hold from buy. Revenue growth remains soft, Miller Tabak said.

Mastec ( MTZ) was upgraded at DA Davidson to buy from neutral. $38 price target. Stock has pulled back to an attractive level, DA Davidson said.

Micron Technology ( MU) was upgraded to buy at TheStreet Ratings.

Opentable ( OPEN) was upgraded at Piper Jaffray to overweight from neutral. $80 price target. Company is just beginning to drive diner growth, Piper Jaffray said.

Parexel ( PRXL) was upgraded at ISI Group to buy from neutral. $57 price target. Industry has a lot of secular tailwinds, ISI Group said.

Phillips 66 ( PSX) was downgraded at Oppenheimer to perform from outperform. See little earnings upside potential for the sector over the next six months, Oppenheimer said.

Sirona Dental ( SIRO) was downgraded at Bank of America/Merrill Lynch to underperform from buy. $64 price target. Estimates also cut, as the new analyst believes that company expectations are too high, BofA/Merrill said.

Union Pacific ( UNP) numbers were reduced at Credit Suisse. Shares are now seen reaching $182. Estimates were also cut, given the company's new guidance, Credit Suisse said. Outperform rating.

Valspar ( VAL) was upgraded at Deutsche Bank to buy from hold. $75 price target. Valuation call, as the stock is trading at a steep discount to its peers, Deutsche Bank said.

Valero ( VLO) was downgraded at Oppenheimer to perform from outperform. Sector earnings outlook is deteriorating, Oppenheimer said.

Wynn Resorts ( WYNN - Get Report) was downgraded at Credit Suisse to neutral from outperform. Valuation call, based on a $160 price target, Credit Suisse said.

Dentsply ( XRAY) was upgraded at Bank of America/Merrill Lynch to buy from underperform. New analyst has a $48 price target. Indsutry trends could improve, along with the broader economy, BofA/Merrill said.

Zoetis ( ZTS) was upgraded at Morgan Stanley to overweight from equal-weight. $36 price target. Revenue growth should accelerate in 2014, Morgan Stanley said.

Stock Comments / EPS Changes

Apple ( AAPL) estimates, price target were increased at BMO Capital. Estimates were boosted through 2014. Company should see better pricing power, BMO Capital said. Outperform rating and new $508 price target.

Barrick Gold ( ABX) numbers were raised at Jefferies. Shares are now seen reaching $17. Estimates were also increased on higher gold price assumptions, Jefferies said. Hold rating.

Cardtronics ( CTM) numbers were raised at Jefferies. Shares are now seen reaching $43. Estimates were also increased on higher earnings potential with sticky contracts and favorable market environment, Jefferies said. Buy rating.

Harley-Davidson ( HOG) numbers were increased at BMO Capital through 2014. Customers' reaction to the 2014 models have been very positive, BMO Capital said. Outperform rating and new $74 price target.

Polaris ( PII) estimates, price target were boosted at UBS. Shares are now seen reaching $142. Estimates were also upped, given higher demand for the Indian brand, UBS said. Buy rating.

Constellation Brands ( STZ) numbers were raised at DA Davidson. Shares are now seen reaching $78. Estimates were also increased, as the company is seeing higher beer sales and paying a lower tax rate, DA Davidson said. Buy rating.

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This article was written by a staff member of TheStreet.