Benzinga's Top Upgrades, Downgrades For December 1, 2017

Analysts at Goldman Sachs upgraded AGCO Corporation (NYSE:AGCO) from Neutral to Buy. AGCO shares fell 0.17 percent to close at $70.78 on Thursday.
Longbow Research upgraded Mellanox Technologies, Ltd. (NASDAQ:MLNX) from Neutral to Buy. Mellanox Technologies shares rose 2.78 percent to close at $59.10 on Thursday.
Wedbush upgraded Vantiv Inc (NYSE:VNTV) from Neutral to Outperform. Vantiv shares fell 0.67 percent to $74.50 in pre-market trading.
Analysts at KeyBanc upgraded Tiffany & Co. (NYSE:TIF) from Sector Weight to Overweight. Tiffany shares rose 2.13 percent to close at $94.50 on Wednesday.
Morgan Stanley upgraded Novo Nordisk A/S (ADR) (NYSE:NVO) from Equal-Weight to Overweight. Novo Nordisk shares gained 1.24 percent to $52.41 in pre-market trading.
Analysts at BMO Capital upgraded VMware, Inc. (NYSE:VMW) from Market Perform to Outperform. VMware shares rose 1.78 percent to $122.25 in pre-market trading.
Wells Fargo upgraded Stifel Financial Corp (NYSE:SF) from Market Perform to Outperform. Stifel Financial shares rose 1.21 percent to close at $56.24 on Thursday.
Gabelli upgraded Melinta Therapeutics, Inc. (NASDAQ:MLNT) from Sell to Hold. Melinta Therapeutics shares rose 11.84 percent to close at $17.00 on Thursday.

Citigroup downgraded Regeneron Pharmaceuticals Inc (NASDAQ:REGN) from Buy to Neutral. Regeneron Pharmaceuticals shares fell 1.90 percent to $355.00 in pre-market trading.
Analysts at Goldman Sachs downgraded Cummins Inc. (NYSE:CMI) from Buy to Neutral Cummins shares fell 1.08 percent to $165.60 in pre-market trading.
Argus downgraded Priceline Group Inc (NASDAQ:PCLN) from Buy to Hold. Priceline shares fell 0.73 percent to $1,727.00 in pre-market trading.
Mizuho Securities downgraded PG&E Corporation (NYSE:PCG) from Buy to Neutral. PG&E shares slipped 1.49 percent to close at $54.24 on Thursday.
Morgan Stanley downgraded Sanofi SA (ADR) (NYSE:SNY) from Overweight to Underweight. Sanofi-Aventis shares fell 2.54 percent to $44.48 in pre-market trading.
Needham & Company downgraded Oxford Industries Inc (NYSE:OXM) from Buy to Hold. Oxford Industries shares fell 1.22 percent to close at $69.00 on Thursday.
Analysts at SunTrust Robinson Humphrey downgraded Cypress Semiconductor Corporation (NASDAQ:CY) from Buy to Hold. Cypress Semi shares fell 2.12 percent to $15.67 in pre-market trading.

Stifel Nicolaus initiated coverage on DDR Corp (NYSE:DDR) with a Hold rating. The price target for DDR is set to $8.25. DDR shares closed at $7.63 on Thursday.
H.C. Wainwright initiated coverage on Sarepta Therapeutics Inc (NASDAQ:SRPT) with a Buy rating. The price target for Sarepta Therapeutics is set to $75. Sarepta Therapeutics shares closed at $55.67 on Thursday.
H.C. Wainwright initiated coverage on Global Blood Therapeutics Inc (NASDAQ:GBT) with a Buy rating. The price target for Global Blood Therapeutics is set to $73. Global Blood Therapeutics shares closed at $39.45 on Thursday.
Analysts at Canaccord Genuity initiated coverage on Plug Power Inc (NASDAQ:PLUG) with a Buy rating. The price target for Plug Power is set to $5. Plug Power shares closed at $2.37 on Thursday.
Citigroup initiated coverage on Diamondback Energy Inc (NASDAQ:FANG) with a Buy rating. The price target for Diamondback Energy is set to $130. Diamondback Energy shares closed at $109.31 on Thursday.
Analysts at H.C. Wainwright initiated coverage on Uniqure NV (NASDAQ:QURE) with a Buy rating. The price target for Uniqure is set to $28. Uniqure shares closed at $15.14 on Thursday.
Analysts at SunTrust Robinson Humphrey initiated coverage on Booz Allen Hamilton Holding Corporation (NYSE:BAH) with a Buy rating. The price target for Booz Allen is set to $47. Booz Allen shares closed at $38.69 on Thursday.