Benzinga's Top Upgrades, Downgrades For December 6, 2018 - Arista Networks (NYSE:ANET), Autoliv (NYSE:ALV)

Bank of America upgraded Arista Networks Inc ANET from Neutral to Buy. Arista shares fell 1.9 percent to $225.44 in pre-market trading.
JP Morgan upgraded Activision Blizzard, Inc. ATVI from Neutral to Overweight. Activision shares rose 0.5 percent to $46.74 in pre-market trading.
Credit Suisse upgraded Spirit Airlines Incorporated SAVE from Neutral to Outperform. Spirit Airlines shares rose 2.7 percent to $64.80 in pre-market trading.
JP Morgan upgraded Hostess Brands Inc TWNK from Neutral to Overweight. Hostess Brands rose 0.4 percent to $11.32 in pre-market trading.
Baird upgraded American Water Works Company Inc AWK from Neutral to Outperform. American Water Works shares rose 0.08 percent to close at $95.78 on Tuesday.
Analysts at BMO Capital upgraded Bristol-Myers Squibb Co BMY from Market Perform to Outperform. Bristol-Myers shares fell 0.01 percent to $52.02 in pre-market trading.
Pivotal Research upgraded Columbia Sportswear Company COLM from Hold to Buy. Columbia Sportswear shares fell 0.7 percent to $91.65 in pre-market trading.
Goldman Sachs upgraded YY Inc YY from Neutral to Buy. YY shares fell 3.3 percent to $63.78 in pre-market trading.
Nomura upgraded Vulcan Materials Company VMC from Neutral to Buy. Vulcan Materials shares rose 0.8 percent to $101.39 in pre-market trading.
Morgan Stanley upgraded NetEase Inc NTES from Equal-Weight to Overweight. NetEase shares fell 3 percent to $222.49 in pre-market trading.

Barclays downgraded GlaxoSmithKline plc GSK from Overweight to Equal-Weight. GlaxoSmithKline shares fell 3.6 percent to $36.95 in pre-market trading.
Stifel Nicolaus downgraded Facebook, Inc. FB from Buy to Hold. Facebook shares fell 2.7 percent to $134.27 in pre-market trading.
Piper Jaffray downgraded bluebird bio Inc BLUE from Overweight to Neutral. bluebird shares fell 2.5 percent to $110.78 in pre-market trading.
Stifel Nicolaus downgraded Conatus Pharmaceuticals Inc CNAT from Buy to Hold. Conatus Pharmaceuticals shares fell 56.2 percent to $1.97 in pre-market trading.
Atlantic Equities downgraded Macy's Inc M from Neutral to Underweight. Macy's shares fell 2.3 percent to $31.69 in pre-market trading.
RBC Capital downgraded Toll Brothers Inc TOL from Outperform to Sector Perform. Toll Brothers shares fell 1.8 percent to $32.41 in pre-market trading.
Morgan Stanley downgraded Autoliv Inc. ALV from Overweight to Equal-Weight. Autoliv shares fell 4 percent to $82.80 in pre-market trading.
Wells Fargo downgraded Oncomed Pharmaceuticals Inc OMED from Outperform to Market Perform. OncoMed Pharmaceuticals shares rose 30.6 percent to $1.45 in pre-market trading.
B. Riley FBR downgraded NeoPhotonics Corp NPTN from Buy to Neutral. NeoPhotonics shares fell 18.6 percent to $6.30 in pre-market trading.
MKM Partners downgraded Finisar Corporation FNSR from Buy to Neutral. Finisar shares fell 7.8 percent to $21.08 in pre-market trading.

Analysts at Guggenheim initiated coverage on Alphabet Inc GOOGL with a Buy rating. The price target for Alphabet is set to $1,330. Alphabet shares closed at $1,062.47 on Tuesday.
Berenberg initiated coverage on Allegheny Technologies Incorporated ATI with a Buy rating. The price target for Allegheny Technologies is set to $35. Allegheny Technologies shares closed at $25.74 on Tuesday.
Guggenheim initiated coverage on Snap Inc SNAP with a Neutral rating. The price target for Snap is set to $6. Snap shares closed at $6.21 on Tuesday.
Imperial Capital initiated coverage on Haymaker Acquisition Corp. HYAC with an Outperform rating. The price target for Haymaker Acquisition is set to $14. Haymaker Acquisition shares closed at $10.05 on Tuesday.
Analysts at Guggenheim initiated coverage on Facebook, Inc. FB with a Neutral rating. The price target for Facebook is set to $150. Facebook closed at $137.93 on Tuesday.
Analysts at Roth Capital initiated coverage on BioSig Technologies Inc BSGM with a Buy rating. The price target for BioSig Technologies is set to $14. BioSig Technologies shares closed at $3.97 on Tuesday.
Guggenheim initiated coverage on Twitter Inc TWTR with a Buy rating. The price target for Twitter is set to $39. Twitter closed at $32.56 on Tuesday.