Benzinga's Top Upgrades, Downgrades For December 13, 2017

Top Upgrades

• Analysts at JP Morgan upgraded DENTSPLY SIRONA Inc XRAY from Neutral to Overweight. Dentsply Sirona shares fell 0.05 percent to close at $64.99 on Monday.
• Summit Redstone Partners upgraded Western Digital Corp WDC from Hold to Buy. Western Digital shares gained 3.34 percent to $84.50 in pre-market trading.
• Analysts at BTIG Research upgraded Essex Property Trust Inc ESS from Neutral to Buy. Essex Property Trust shares fell 0.01 percent to close at $249.15 on Tuesday.
• Analysts at Morgan Stanley upgraded American Electric Power Company Inc AEP from Equal-Weight to Overweight. American Electric Power shares fell 0.03 percent to $76.00 in pre-market trading.
• Keefe Bruyette & Woods upgraded Morgan Stanley MS from Market Perform to Outperform. Morgan Stanley shares rose 0.56 percent to $54.15 in pre-market trading.
• Keefe Bruyette & Woods upgraded SunTrust Banks, Inc. STI from Market Perform to Outperform. SunTrust shares rose 0.20 percent to $65.67 in pre-market trading.
• RBC Capital upgraded O'Reilly Automotive Inc ORLY from Sector Perform to Outperform. O'Reilly Automotive shares gained 0.63 percent to $248.42 in pre-market trading.
• Morgan Stanley upgraded Eversource Energy ES from Equal-Weight to Overweight. Eversource Energy shares fell 2.27 percent to close at $64.21 on Tuesday.
• Analysts at JP Morgan upgraded Extended Stay America Inc STAY from Neutral to Overweight. Extended Stay America shares rose 3.14 percent to $17.74 in pre-market trading.

Top Downgrades

• Analysts at JP Morgan downgraded Accuray Incorporated ARAY from Neutral to Underweight. Accuray shares fell 5.94 percent to $4.75 in pre-market trading.
• Stifel Nicolaus downgraded ArcBest Corp ARCB from Hold to Sell. ArcBest shares fell 2.33 percent to $37.65 in pre-market trading.
• BTIG Research downgraded Accelerate Diagnostics Inc AXDX from Buy to Neutral. Accelerate Diagnostics shares rose 4.35 percent to close at $30.00 on Tuesday.
• Morgan Stanley downgraded Ameren Corp AEE from Equal-Weight to Underweight. Ameren shares rose 0.20 percent to $61.48 in pre-market trading.
• Barclays downgraded Hersha Hospitality Trust HT from Equal-Weight to Underweight. Hersha Hospitality Services rose 0.11 percent to close at $17.55 on Tuesday.
• JP Morgan downgraded Choice Hotels International Inc CHH from Neutral to Underweight. Choice Hotels shares fell 0.65 percent to close at $77.00 on Tuesday.
• Analysts at Maxim Group downgraded bluebird bio Inc BLUE from Buy to Hold. bluebird bio shares fell 1.54 percent to $188.00 in pre-market trading.
• Bank of America downgraded Ralph Lauren Corp RL from Neutral to Underperform. Ralph Lauren shares dropped 1.14 percent to $99.00 in pre-market trading.
• Jefferies downgraded Interpublic Group of Companies Inc IPG from Buy to Hold. Interpublic shares rose 1.34 percent to close at $20.47 on Tuesday.

Top Initiations

• Piper Jaffray initiated coverage on MEDNAX Inc MD with an Overweight rating. The price target for MEDNAX is set to $58. MEDNAX shares closed at $51.68 on Tuesday.
• Stephens & Co. initiated coverage on F.N.B. Corp FNB with an Equal-Weight rating. FNB shares closed at $13.95 on Tuesday.
• Cantor Fitzgerald initiated coverage on Aimmune Therapeutics Inc (NASDAQ: AIMT with an Overweight rating. The price target for Aimmune Therapeutics is set to $55. Aimmune Therapeutics shares closed at $33.60 on Tuesday.
• Analysts at RBC Capital initiated coverage on Catalent Inc CTLT with an Outperform rating. The price target for Catalent is set to $46. Catalent shares closed at $39.54 on Tuesday.
• Analysts at Barclays initiated coverage on Caterpillar Inc. CAT with an Overweight rating. The price target for Caterpillar is set to $162. Caterpillar shares closed at $143.42 on Tuesday.
• Analysts at Piper Jaffray initiated coverage on Envision Healthcare Corp EVHC with a Neutral rating. The price target for Envision Healthcare is set to $35. Envision Healthcare shares closed at $33.40 on Tuesday.
• Argus initiated coverage on Charles River Laboratories Intl. Inc CRL with a Buy rating. The price target for Charles River Labs is set to $120. Charles River Labs shares closed at $104.57 on Tuesday.
• Analysts at Deutsche Bank initiated coverage on Vail Resorts, Inc. MTN with a Buy rating. The price target for Vail Resorts is set to $265. Vail Resorts shares closed at $218.43 on Tuesday.
• Analysts at Barclays initiated coverage on Deere & Company DE with an Overweight rating. The price target for Deere is set to $167. Deere closed at $151.07 on Tuesday.
• Maxim Group initiated coverage on Habit Restaurants Inc HABT with a Buy rating. The price target for Habit Restaurants is set to $13. Habit Restaurants shares closed at $9.80 on Tuesday.