Top Analyst Upgrades and Downgrades: Biogen, Discovery Communications, Mosaic, Plains All American, Phillips 66, Rubicon Project and More

American Vanguard Corp. (NYSE: AVD) was raised to Buy from Neutral with an $18 price target at SunTrust Robinson Humphrey.

Bruker Corp. (NASDAQ: BRKR) was raised to Buy from Neutral at Janney.

Endologix Inc. (NASDAQ: ELGX) was downgraded to Sector Perform from Outperform at RBC Capital Markets.

Ecolab Inc. (NYSE: ECL) was raised to Buy from Neutral at Citigroup.

EnerNOC Inc. (NASDAQ: ENOC) was downgraded to Neutral from Outperform at Credit Suisse.

Equity Residential (NYSE: EQR) was downgraded to Underweight from Equal Weight with a $60 price target (versus a $67.27 close) at Morgan Stanley. It was also downgraded to Underperform from Market Perform at Raymond James.

Glu Mobile Inc. (NASDAQ: GLUU) was last seen down 9% at $2.08 after poor guidance. The stock was downgraded to Market Perform from Outperform at Northland Securities.

Mead Johnson Nutrition Co. (NYSE: MJN) was raised to Outperform from Underperform with a $96 price target (versus an $87.29 close) at CLSA.

Nimble Storage Inc. (NYSE: NMBL) was raised to Outperform from Market Perform with a $10 price target (versus a $7.21 close) at BMO Capital Markets.

QEP Resources Inc. (NYSE: QEP) was raised to Overweight from Equal Weight with a $22 price target of (versus a $17.78 close) at Barclays.

Spectranetics Corp. (NASDAQ: SPNC) was raised to Buy from Sell and the price target was raised to $30 from $10 (versus a $23.09 close) at UBS.

Theravance Biopharma Inc. (NASDAQ: TBPH) was downgraded to Underperform from Neutral at Merrill Lynch. Its price objective remains at $23 after the value of the pipeline has been reflected in the share price.

Trillium Therapeutics Inc. (NASDAQ: TRIL) was started with a Buy rating and was assigned an $18 price target (versus a $9.21 close) at Ladenburg Thalmann.

Tuesday’s top analyst upgrades and downgrades included Barrick Gold, Home Depot, Kroger, Newmont Mining, SolarCity and a dozen or so more companies.

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