Benzinga's Top Upgrades, Downgrades For June 7, 2018

JP Morgan upgraded Canadian Solar Inc. CSIQ from Underweight to Neutral. Canadian Solar shares rose 1.69 percent to $12.65 in pre-market trading.
SunTrust Robinson Humphrey upgraded Darden Restaurants, Inc. DRI from Hold to Buy. Darden shares rose 1.85 percent to close at $90.91 on Wednesday.
Analysts at KeyBanc upgraded Laboratory Corporation of America Holdings LH from Sector Weight to Overweight. Laboratory Corp shares closed at $184.61 on Wednesday.
Buckingham upgraded Spotify Technology SPOT from Neutral to Buy. Spotify shares closed at $165.64 on Wednesday.
Desjardins upgraded Alamos Gold Inc. AGI from Hold to Buy. Alamos Gold shares closed at $5.80 on Wednesday.

JP Morgan downgraded Axon Enterprise, Inc. AAXN from Overweight to Neutral. Axon Enterprise shares fell 3.56 percent to $65.48 in pre-market trading.
Keefe Bruyette & Woods downgraded Greenhill & Co., Inc. GHL from Market Perform to Underperform. Greenhill shares rose 1.30 percent to close at $27.25 on Wednesday.
RBC Capital downgraded Proteostasis Therapeutics, Inc. PTI from Outperform to Sector Perform. Proteostasis Therapeutics shares fell 25.92 percent to $3.63 in pre-market trading.
Jefferies downgraded AT&T Inc. T from Buy to Hold. AT&T shares fell 0.42 percent to $33.25 in pre-market trading.
Vertical Group downgraded First Solar, Inc. FSLR from Buy to Sell. First Solar shares fell 3.1 percent to $53.85 in pre-market trading.
Goldman Sachs downgraded TrueCar, Inc. TRUE from Neutral to Sell. TrueCar shares fell 3.75 percent to $9.50 in pre-market trading.
HSBC downgraded Ensco plc ESV from Buy to Hold. Ensco shares rose 1.68 percent to close at $6.67 on Wednesday.
Desjardins downgraded IAMGOLD Corporation IAG from Buy to Hold. Iamgold shares closed at $5.92 on Wednesday.
UBS downgraded ArcelorMittal MT from Buy to Sell. ArcelorMittal shares closed at $33.53 on Wednesday.

H.C. Wainwright initiated coverage on Mesoblast Limited MESO with a Buy rating. The price target for Mesoblast is set to $17. Mesoblast shares closed at $5.62 on Wednesday.
Analysts at BTIG Research initiated coverage on Xencor, Inc. XNCR with a Buy rating. The price target for Xencor is set to $56. Xencor shares closed at $41.79 on Wednesday.
DA Davidson initiated coverage on Donnelley Financial Solutions, Inc. DFIN with a Buy rating. The price target for Donnelley Financial is set to $25. Donnelley Financial shares closed at $16.16 on Wednesday.
H.C. Wainwright initiated coverage on Axsome Therapeutics, Inc. AXSM with a Buy rating. The price target for Axsome Therapeutics is set to $10. Axsome Therapeutics shares closed at $3.60 on Wednesday.
Analysts at JMP Securities initiated coverage on ShotSpotter, Inc. SSTI with a Market Outperform rating. The price target for ShotSpotter is set to $40. ShotSpotter closed at $32.53 on Wednesday.
Analysts at Argus initiated coverage on WellCare Health Plans, Inc. WCG with a Buy rating. The price target for WellCare is set to $265. WellCare shares closed at $229.23 on Wednesday.