RATINGS CHANGES

Agco (AGCO - Get Report) was upgraded to buy at Deutsche Bank. $68 price target. The company offers mid-cycle earnings upside potential, Deutsche said.

Black Hills (BKHU) was initiated with a hold rating at TheStreet. You can view the full analysis from the report here: BKHU.

AthenaHealth (ATHN) was upgraded to overweight at Pacific Crest. $140 price target. Expect 2017 to be an inflection year for the company, Pac Crest said. 

Hologic (HOLX - Get Report) was upgraded to overweight from neutral at Piper Jaffray. $48 price target. Growth should accelerate heading into 2018, Piper said. 

Navient (NAVI - Get Report) was downgraded to neutral from outperform at Credit Suisse. $18 price target. Interest rate margin could compress, Credit Suisse said. 

Oshkosh (OSK - Get Report) was downgraded to hold at Deutsche Bank. $71 price target. The valuation is less attractive, as the stock was up 69% in 2016, Deutsche said. 

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

Patterson-UTI (PTEN - Get Report) was upgraded to overweight from sector weight at Keybanc. $35 price target. The valuation is more attractive, as the SVNT deal makes both financial and strategic sense, Keybanc said. 

This article was written by a staff member of TheStreet.