RATINGS CHANGES

Sotheby's (BID - Get Report) was downgraded to hold at TheStreet Ratings. You can view the full analysis from the report here: BID.

Ciena (CIEN - Get Report) was upgraded to buy from hold at Deutsche Bank. $27 price target. The company is seeing growth in multiple areas, Deutsche said. 

CoreLogic (CLGX - Get Report) was downgraded to neutral from overweight at Piper Jaffray. $40 price target. The company will likely struggle in a rising rate environment, Piper said. 

CME Group (CME - Get Report) was downgraded to neutral from overweight at JPMorgan. The valuation is less attractive, based on a $116 price target, JPMorgan said. 

Nelnet (NNI - Get Report) was downgraded to neutral from outperform at Credit Suisse. The valuation is less attractive, based on a $48 price target, Credit Suisse said. 

Nucor (NUE - Get Report) was downgraded to hold from buy at Berenberg. $61 price target. The valuation is less attractive, as the stock is up 20% in the past two weeks, Berenberg said.  

Children's Place (PLCE - Get Report) was upgraded to buy from underperform at Bank of America/Merrill Lynch. $92 price target. The company can expand margins and generate significant upside to consensus earnings expectations, analysts said. 

Regions Financial (RF - Get Report) was upgraded to outperform from market perform at FBR Capital Markets. $15 price target. The company has relatively more upside potential in new political environment, FBR said. 

SeaWorld (SEAS - Get Report) was downgraded to neutral from buy at Citigroup. The valuation is less attractive, based on a $19 price target, Citi said. 

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

Square (SQ - Get Report) was upgraded to overweight at Pacific Crest. $15 price target. Profitability and cash flow are growing and long term projects offer optionality, Pac Crest said. 

Werner (WERN - Get Report) was downgraded to hold from buy at Deutsche Bank. $27 price target. The valuation is less attractive, as the stock is valued at 22 times expected forward earnings, Deutsche said. 

WPX Energy (WPX - Get Report) was upgraded to outperform from market perform at BMO Capital. $16 price target. The company has transitioned to a high quality asset base, BMO said.

This article was written by a staff member of TheStreet.