RATINGS CHANGES

Box (BOX) - Get Report was downgraded to neutral from overweight at JPMorgan. $14 price target. The stock is up 40% since February, but metrics are moderating, JPMorgan said. 

Bristol-Myers Squibb (BMY) - Get Report was upgraded to buy at TheStreet Ratings. You can view the full analysis from the report here: BMY.

Commercial Metals CMC was downgraded to underperform from neutral at Bank of America/Merrill Lynch. $17 price target. Rebar margins are being squeezed, analysts said. 

Devry (DV) was downgraded to neutral from outperform at Credit Suisse. $17 price target. The CFO departure elevates investment risk, Credit Suisse said. 

EMC (EMC) was downgraded to neutral at Sterne Agee. $28 price target. The valuation is less attractive, based on the Dell transaction, Sterne said. 

Intuitive Surgical (ISRG) - Get Report was downgraded to neutral from buy at Goldman Sachs. The valuation is less attractive, based on a $674 price target, Goldman said. 

Newmont Mining (NEM) - Get Report was downgraded to hold from buy at Jefferies. $33 price target. The company is facing multiple growth headwinds, Jefferies said. 

Ophthotech (OPHT) - Get Report was upgraded to overweight from neutral at JPMorgan. $84 price target. There's appears to be a higher chance of success for Fovista in clinical trials, JPMorgan said. 

Polaris (PII) - Get Report was downgraded to hold at TheStreet Ratings. You can view the full analysis from the report here: PII.

Sally Beauty (SBH) - Get Report was upgraded to market perform at Wells Fargo. Solid comp-store sales should continue and the company has high margin visibility, Wells said. 

Waste Connections (WCN) - Get Report was upgraded to outperform at BMO Capital. $76 price target. The combination with Progressive Waste makes both strategic and financial sense, BMO said. 

Exxon Mobil (XOM) - Get Report downgraded to neutral from buy at Bank of America/Merrill Lynch. The valuation is less attractive, based on a $96 price target, analysts said. 

This article was written by a staff member of TheStreet.