RATINGS CHANGES

Arista Networks (ANET - Get Report) was upgraded to neutral from underperform at Bank of America/Merrill Lynch. $97 price target. ITC import ban has been overturned, analysts said. 

CF Industries (CF - Get Report) was downgraded to underperform at RBC Capital. $22 price target. The valuation is less attractive, as nitrogen prices will likely be weaker in the first half of 2017, RBC said. 

Cognizant (CTSH - Get Report) was downgraded to underperform from buy at Bank of America/Merrill Lynch. $48 price target. Growth is slowing and the company faces visa reform risks, analysts said. 

Duke Energy (DUK - Get Report) was downgraded to underperform at Bank of America/Merrill Lynch. $69 price target. The valuation is less attractive, based on a higher interest rate outlook, analysts said.

FireEye (FEYE - Get Report) was downgraded to sell from neutral at Goldman Sachs. $11 price target. Fundamentals will likely remain challenged through 2017, Goldman said. 

FlexShopper (FPAY - Get Report) was initiated as a sell at TheStreet Ratings. You can view the full analysis from the report here: FPAY.

Greif (GEF - Get Report) was downgraded to neutral from buy at Bank of America/Merrill Lynch. The valuation is less attractive, based on a $56 price target, analysts said. 

Group 1 (GPI - Get Report) was downgraded to sell from neutral at Goldman Sachs. $59 price target. The valuation is less attractive, as the stock is up 24% since the election and estimates are below consensus, Goldman said. 

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

Outfront Media (OUT - Get Report) was upgraded to outperform from market perform at Wells Fargo. The valuation is more attractive, as the industry is leveraged to accelerating economic growth, Wells said. 

This article was written by a staff member of TheStreet.