Benzinga's Top Upgrades, Downgrades For May 15, 2018

Top Upgrades

• Cowen & Co. upgraded Pentair plc PNR from Underperform to Outperform. Pentair shares rose 0.36 percent to close at $44.83 on Monday.
• Oppenheimer upgraded Ulta Beauty, Inc. ULTA from Perform to Outperform. Ulta Beauty shares rose 1.2 percent to $250.01 in pre-market trading.
• Mizuho upgraded Valeant Pharmaceuticals International, Inc. VRX from Neutral to Buy. Valeant shares rose 4.47 percent to $21.73 in pre-market trading.
• Chardan Capital upgraded Intellia Therapeutics, Inc. NTLA from Neutral to Buy. Intellia Therapeutics shares rose 6.18 percent to $26.11 in pre-market trading.
• Jefferies upgraded Symantec Corporation SYMC from Underperform to Hold. Symantec shares rose 2.57 percent to $21.95 in pre-market trading.
• Mizuho upgraded FibroGen, Inc. FGEN from Neutral to Buy. FibroGen shares rose 4.85 percent to close at $49.70 on Monday.
• Morgan Stanley upgraded US Foods Holding Corp. USFD from Equal-Weight to Overweight. US Foods shares declined 0.03 percent to close at $34.07 on Monday.
• Analysts at SunTrust Robinson Humphrey upgraded The Scotts Miracle-Gro Company SMG from Hold to Buy. Scotts Miracle Gro shares rose 0.27 percent to close at $81.71 on Monday.
• Bernstein upgraded CBS Corporation CBS from Market Perform to Outperform. CBS shares rose 2.15 percent to close at $53.65 on Monday.
• Credit Suisse upgraded Ternium S.A. TX from Neutral to Outperform. Ternium shares fell 0.60 percent to close at $39.70 on Monday.

Top Downgrades

• Citigroup downgraded aTyr Pharma, Inc. LIFE from Neutral to Sell. aTyr Pharma shares dropped 32.61 percent to close at $1.55 on Monday.
• JMP Securities downgraded Maiden Holdings, Ltd. MHLD from Market Outperform to Market Perform. Maiden Holdings shares fell 2.75 percent to close at $7.95 on Monday.
• SunTrust Robinson Humphrey downgraded State Bank Financial Corporation STBZ from Buy to Hold. State Bank Financial shares rose 1.6 percent to close at $33.61 on Monday.
• J.P. Morgan downgraded Cheniere Energy Partners LP Holdings, LLC CQH from Overweight to Neutral. Cheniere Energy Partners shares fell 0.46 percent to close at $28.08 on Monday.
• Piper Jaffray downgraded Ford Motor Company F from Overweight to Neutral. Ford shares fell 0.45 percent to $11.13 in pre-market trading.
• Berenberg downgraded athenahealth, Inc. ATHN from Buy to Hold. athenahealth shares closed at $149.16 on Monday.
• Bank of America downgraded Travelport Worldwide Limited TVPT from Buy to Neutral. Travelport Worldwide shares closed at $17.15 on Monday.
• KLR Group downgraded W&T Offshore, Inc. WTI from Hold to Sell. W&T Offshore shares closed at $7.93 on Monday.

Top Initiations

• Analysts at Cowen & Co. initiated coverage on Applied Materials, Inc. AMAT with a Market Perform rating. The price target for Applied Materials is set to $60. Applied Materials shares closed at $55.26 on Monday.
• Morgan Stanley initiated coverage on Pivotal Software, Inc. PVTL with an Overweight rating. The price target for Pivotal Software is set to $24. Pivotal Software shares closed at $18.89 on Monday.
• Raymond James initiated coverage on Level One Bancorp, Inc. LEVL with an Outperform rating. The price target for Level One Bancorp is set to $32. Level One Bancorp shares closed at $28.93 on Monday.
• Analysts at Cowen & Co. initiated coverage on KLA-Tencor Corporation KLAC with an Outperform rating. The price target for KLA-Tencor is set to $140. KLA-Tencor shares closed at $112.73 on Monday.
• BMO Capital initiated coverage on GrafTech International Ltd. EAF with an Outperform rating. The price target for GrafTech International is set to $25. GrafTech International shares closed at $18.86 on Monday.
• Wedbush initiated coverage on Zions Bancorporation ZION with a Neutral rating. The price target for Zions Bancorporation is set to $62. Zions Bancorporation shares closed at $57.61 on Monday.
• KeyBanc initiated coverage on nVent Electric plc NVT with an Overweight rating. The price target for nVent Electric is set to $29. nVent Electric shares closed at $25.65 on Monday.
• Cowen & Co. initiated coverage on MKS Instruments, Inc MKSI with an Outperform rating. The price target for MKS Instruments is set to $135. MKS Instruments shares closed at $115.05 on Monday.
• Analysts at SunTrust Robinson Humphrey initiated coverage on Weight Watchers International, Inc. WTW with a Buy rating. The price target for Weight Watchers is set to $90. Weight Watchers closed at $78.76 on Wednesday.
• Analysts at Citigroup initiated coverage on Pivotal Software, Inc. PVTL with a Neutral rating. The price target for Pivotal Software is set to $21. Pivotal Software shares closed at $18.89 on Monday.