RATINGS CHANGES

Cinemark (CNK) - Get Report was downgraded to hold from buy at Drexel Hamilton. $42 price target. International attendance is weakening, Drexel said. 

Coach (COH) was upgraded to neutral from underperform at Bank of America/Merrill Lynch. $44 price target. Margin expectations have been reset and the outlet business is stabilizing, analysts said. 

Denbury (DNR) - Get Report was downgraded to underweight at Barclays. $2.50 price target. Earnings estimates were also cut, as tertiary oil requires a longer lead time to react to increased capital spending, Barclays said. 

Editas (EDIT) - Get Report was upgraded to buy at Jefferies. $35 price target. Partnerships enhance the company's tech capabilities, Jefferies said. 

Medivation (MDVN) was downgraded to market perform from outperform at JMP Securities. The valuation is less attractive, with the company trading at 29 times expected 2017 earnings, JMP said. 

Marathon Petroleum (MPC) - Get Report was upgraded to buy at TheStreet Ratings. You can view the full analysis from the report here: MPC.

Myriad (MYGN) - Get Report was downgraded to neutral from overweight at Piper Jaffray. $22 price target. The company is losing market share in hereditary cancer, Piper said. 

Myriad was downgraded to equal-weight from overweight at Barclays. $24 price target. The company is losing market share faster than expected, Barclays said. 

PayPal (PYPL) - Get Report was initiated with a hold rating at TheStreet Ratings. You can view the full analysis from the report here: PYPL.

SM Energy (SM) - Get Report was upgraded to overweight at Keybanc. $40 price target. The company expanded its presence in the Permian basin and its valuation remains compelling, Keybanc said. 

SunPower (SPWR) - Get Report was downgraded to hold at Deutsche Bank. $11 price target. The company is facing a challenging outlook for the U.S. utility market and a security decline in the international power plant segment, Deutsche said. 

SunPower was downgraded to neutral from overweight at JPMorgan. $17 price target. Earnings estimates were also reduced, given the company's new guidance, JPMorgan said. 

SunPower was downgraded to perform from outperform at Oppenheimer. The company lowered guidance and lacks near-term catalysts, Oppenheimer said. 

SunPower was downgraded to neutral from outperform at Credit Suisse. $12 price target. The company lacks stability in its core business and management is losing credibility with investors, Credit Suisse said. 

Wayfair (W) - Get Report was downgraded to neutral from buy at Goldman Sachs. $43 price target. Sales momentum is decelerating and the company is investing more into future growth, Goldman said. 

Yelp (YELP) - Get Report Was upgraded to neutral from underperform at Bank of America/Merrill Lynch. $37 price target. Sales execution is improving and margins are rebounding, analysts said. 

This article was written by a staff member of TheStreet.