RATINGS CHANGES

Acadia (ACAD - Get Report) was downgraded to neutral from buy at Bank of America/Merrill Lynch. The valuation is less attractive, based on a $40 price target, analysts said. 

AMC Networks (AMCX - Get Report) was downgraded to equal-weight at Morgan Stanley. $65 price target. New show launches have mixed expectations, Morgan Stanley said. 

Avexis (AVXS) was downgraded to hold at Jefferies. The valuation is less attractive, based on a $42 price target, Jefferies said. 

Domino's Pizza (DPZ - Get Report) was downgraded to neutral from buy at Nomura Securities. $135 price target. The company is facing increased competition, Nomura said. 

Finisar (FNSR) was upgraded to buy at TheStreet Ratings. You can view the full analysis from the report here: FNSR.

Hilton Worldwide (HLT - Get Report) was upgraded to buy at TheStreet Ratings. You can view the full analysis from the report here: HLT.

McDonald's (MCD - Get Report) was downgraded to neutral from buy at Nomura Securities. $129 price target. Comp-store sales estimates are moving below consensus, Nomura said. 

Priceline (PCLN) was upgraded to overweight from equal-weight at Barclays. $1,500 price target. Expect long-term structural growth and compelling end-market demand, Barclays said. 

Papa John's (PZZA - Get Report) was downgraded to neutral from buy at Nomura Securities. $70 price target. Competition is increasing in the pizza market, Nomura said. 

Surgical Care (SCAI) was downgraded to neutral from buy at Goldman Sachs. $48 price target. The valuation is less attractive, with shares up 21% over the past six months, Goldman said. 

Tesla Motors (TSLA - Get Report) was downgraded to perform from outperform at Oppenheimer. The SolarCity (SCTY) acquisition is a fundamental change to the company's business model, Oppenheimer said. 

Wendy's (WEN - Get Report) was downgraded to neutral from buy at Nomura Securities. $11 price target. The company is leveraged to lower industry sales trends, Nomura said. 

This article was written by a staff member of TheStreet.