Benzinga's Top Upgrades, Downgrades For February 2, 2018

Top Upgrades

• Evercore ISI Group upgraded Kirby Corporation (NYSE:KEX) from Hold to Outperform. Kirby shares rose 3.41 percent to close at $77.25 on Thursday.
• Raymond James upgraded Civitas Solutions Inc (NYSE:CIVI) from Market Perform to Outperform. Civitas Solutions shares dropped 14.77 percent to close at $15.00 on Thursday.
• Stifel Nicolaus upgraded Viavi Solutions Inc (NASDAQ:VIAV) from Hold to Buy. Viavi Solutions rose 10.21 percent to $9.55 in pre-market trading.
• Argus Research upgraded Mastercard Inc (NYSE:MA) from Hold to Buy. Mastercard shares closed at $172.93 on Thursday.
• Cowen & Co. upgraded Huntington Ingalls Industries Inc (NYSE:HII) from Market Perform to Outperform. Huntington shares closed at $241.47 on Thursday.
• Societe Generale upgraded Mondelez International Inc (NASDAQ:MDLZ) from Hold to Buy. Mondelez shares closed at $45.87 on Thursday.

Top Downgrades

• KeyBanc downgraded Apple Inc. (NASDAQ:AAPL) from Overweight to Sector Weight. Apple shares rose 0.82 percent to $169.15 in pre-market trading.
• Barclays downgraded Mallinckrodt PLC (NYSE:MNK) from Equal-Weight to Underweight. Mallinckrodt shares fell 3.03 percent to $17.60 in pre-market trading.
• Stifel Nicolaus downgraded Alphabet Inc (NASDAQ:GOOGL) from Buy to Hold. Alphabet shares dropped 3.20 percent to $1,143.80 in pre-market trading.
• Analysts at Jefferies downgraded OSI Systems, Inc. (NASDAQ:OSIS) from Buy to Hold. OSI Systems rose 0.79 percent to close at $66.60 on Thursday.
• Canaccord Genuity downgraded IMPINJ Inc (NASDAQ:PI) from Buy to Hold. Impinj shares fell 32.15 percent to $15.51 in pre-market trading.
• Bernstein downgraded Apple Inc. (NASDAQ:AAPL) from Outperform to Market Perform. Apple shares rose 0.82 percent to $169.15 in pre-market trading.
• RBC Capital downgraded IMPINJ Inc (NASDAQ:PI) from Outperform to Sector Perform. Impinj shares fell 32.15 percent to $15.51 in pre-market trading.
• Analysts at Mizuho downgraded HP Inc (NYSE:HPQ) from Buy to Neutral. HP shares fell 1.29 percent to $23.00 in pre-market trading.
• J.P. Morgan downgraded GoPro Inc (NASDAQ:GPRO) from Overweight to Neutral. GoPro shares fell 6 percent to $5.17 in pre-market trading.

Top Initiations

• Analysts at Morgan Stanley initiated coverage on Voyager Therapeutics Inc (NASDAQ:VYGR) with an Overweight rating. Voyager Therapeutics shares closed at $19.32 on Thursday.
• DA Davidson initiated coverage on Veeva Systems Inc (NYSE:VEEV) with a Buy rating. The price target for Veeva Systems is set to $75. Veeva Systems shares closed at $61.02 on Thursday.
• H.C. Wainwright initiated coverage on Chimerix Inc (NASDAQ:CMRX) with a Buy rating. The price target for Chimerix is set to $10. Chimerix shares closed at $4.68 on Wednesday.
• Vertical Research initiated coverage on JinkoSolar Holding Co., Ltd. (NYSE:JKS) with a Sell rating. JinkoSolar shares closed at $21.80 on Thursday.
• Analysts at UBS initiated coverage on Ameren Corp (NYSE:AEE) with a Neutral rating. The price target for Ameren is set to $57. Ameren closed at $55.21 on Thursday.
• DA Davidson initiated coverage on Guidewire Software Inc (NYSE:GWRE) with a Buy rating. The price target for Guidewire Software is set to $92. Guidewire Software shares closed at $78.47 on Thursday.
• Analysts at Chardan Capital initiated coverage on Kamada Ltd (NASDAQ:KMDA) with a Buy rating. The price target for Kamada is set to $7. Kamada shares closed at $5.35 on Thursday.
• DA Davidson initiated coverage on Blackbaud, Inc. (NASDAQ:BLKB) with a Neutral rating. The price target for Blackbaud is set to $95. Blackbaud shares closed at $95.80 on Thursday.
• UBS initiated coverage on American Electric Power Company Inc (NYSE:AEP) with a Buy rating. The price target for American Electric Power is set to $76. American Electric Power shares closed at $67.84 on Thursday.