Benzinga's Top Upgrades, Downgrades For September 27, 2017

Analysts at Maxim Group upgraded Darden Restaurants, Inc. (NYSE:DRI) from Hold to Buy. Darden shares rose 1.12 percent to $78.58 in pre-market trading.
KeyBanc upgraded SBA Communications Corporation (NASDAQ:SBAC) from Sector Weight to Overweight. SBA Communications shares gained 0.67 percent to close at $142.41 on Tuesday.
Canaccord Genuity upgraded Michael Kors Holdings Ltd (NYSE:KORS) from Hold to Buy. Michael Kors shares rose 2.45 percent to $48.18 in pre-market trading.
Raymond James upgraded CareDx Inc (NASDAQ:CDNA) from Market Perform to Outperform. CareDx shares gained 7.77 percent to $4.44 in pre-market trading.
Janney Capital upgraded Chesapeake Lodging Trust (NYSE:CHSP) from Neutral to Buy. Chesapeake Lodging shares rose 0.50 percent to close at $26.36 on Tuesday.
Baird upgraded Darden Restaurants, Inc. (NYSE:DRI) from Neutral to Outperform. Darden shares rose 1.12 percent to $78.58 in pre-market trading.
Analysts at MKM Partners upgraded Lumentum Holdings Inc (NASDAQ:LITE) from Neutral to Buy. Lumentum shares rose 3.93 percent to $52.80 in pre-market trading.

Piper Jaffray downgraded Tile Shop Hldgs, Inc. (NASDAQ:TTS) from Overweight to Neutral. Tile Shop shares slipped 2.72 percent to $14.30 in pre-market trading.
Morgan Stanley downgraded SunPower Corporation (NASDAQ:SPWR) from Equal-Weight to Underweight. SunPower shares dropped 3.60 percent to $6.96 in pre-market trading.
Analysts at JP Morgan downgraded Trivago NV - ADR (NASDAQ:TRVG) from Overweight to Neutral. trivago shares declined 1.87 percent to $11.00 in pre-market trading.
Raymond James downgraded Walgreens Boots Alliance Inc (NASDAQ:WBA) from Outperform to Market Perform. Walgreens shares fell 0.86 percent to $78.40 in pre-market trading.
Citigroup downgraded Kornit Digital Ltd (NASDAQ:KRNT) from Buy to Neutral. Kornit Digital shares fell 24.20 percent to $13.00 in pre-market trading.
Raymond James downgraded Intuit Inc. (NASDAQ:INTU) from Market Perform to Underperform. Intuit shares fell 0.69 percent to $143.77 in pre-market trading.
Analysts at Piper Jaffray downgraded Helix Energy Solutions Group Inc (NYSE:HLX) from Overweight to Neutral. Helix Energy shares dropped 0.13 percent to close at $7.52 on Tuesday.
Citigroup downgraded Calyxt Inc (NASDAQ:CLXT) from Buy to Neutral. Calyxt shares dropped 0.26 percent to close at $26.47 on Tuesday.

Analysts at Wells Fargo initiated coverage on Netflix, Inc. (NASDAQ:NFLX) with an Outperform rating. The price target for Netflix is set to $230. Netflix shares closed at $179.38 on Tuesday.
Citigroup initiated coverage on Olin Corporation (NYSE:OLN) with a Buy rating. The price target for Olin is set to $39. Olin shares closed at $33.78 on Tuesday.
Analysts at Mizuho initiated coverage of Nektar Therapeutics (NASDAQ:NKTR) with a Buy rating. The price target for Nektar Therapeutics is set to $30. Nektar Therapeutics shares closed at $22.26 on Tuesday.
Wells Fargo reinstated coverage on Amazon.com, Inc. (NASDAQ:AMZN) with an Outperform rating. The price target for Amazon.com is set to $1.400. Amazon.com shares closed at $938.60 on Tuesday.
Goldman Sachs initiated coverage on Zealand Pharma A/S (NASDAQ:ZEAL) with a Buy rating. Zealand Pharma shares closed at $18.07 on Tuesday.
Analysts at Mizuho initiated coverage on Heron Therapeutics Inc (NASDAQ:HRTX) with a Buy rating. The price target for Heron Therapeutics is set to $28. Heron Therapeutics shares closed at $16.05 on Tuesday.
Wells Fargo initiated coverage on Baidu Inc (ADR) (NASDAQ:BIDU) with an Outperform rating. The price target for Baidu is set to $290. Baidu shares closed at $236.19 on Tuesday.