Top Analyst Upgrades & Downgrades (AMGN, AON, EQT, EXEL, IPI, ERIC, MDVN, NKE, NIHD, NYX, POT, RAX, RRC, SYMC, TSLA, UA, UNH)

Source: Jon Ogg
These are some of the top analyst upgrades, downgrades, and initiations seen from Wall Street brokerage and research firms this Tuesday morning.

Amgen Inc. (NASDAQ: AMGN) Reiterated Buy and Raised target to $80 at Argus.
AON Corporation (NYSE: AON) Raised to Neutral from Underperform at Credit Suisse.
EQT Corporation (NYSE: EQT) Raised to Hold from Sell with $50 target at Canaccord Genuity.
Exelixis, Inc. (NASDAQ: EXEL) Started as Outperform at Credit Suisse.
Intrepid Potash (NYSE: IPI) Cut to Sell at Goldman Sachs.
LM Ericsson Telephone Co. (NASDAQ: ERIC) Maintained Buy but target now at $14 from $19 at Argus.
Medivation, Inc. (NASDAQ: MDVN) Started as Outperform at Credit Suisse.
Nike Inc. (NYSE: NKE) Raised to Buy at Argus.
NII Holdings, Inc. (NASDAQ: NIHD) named as Bear of the Day at Zacks.
NYSE Euronext (NYSE: NYX) Cut to Sector Perform at RBC Capital.
Potash Corp. of Saskatchewan (NYSE: POT) Cut to Neutral at Goldman Sachs.
Rackspace Hosting Inc. (NYSE: RAX) named Momentum stock of the day at Zacks.
Range Resources Corporation (NYSE: RRC) Raised to Hold from Sell with $59 target at Canaccord Genuity.
Symantec Corporation (NASDAQ: SYMC) Reiterated Buy and $24.00 price target at Argus.
Tesla Motors, Inc. (NASDAQ: TSLA) Started as Buy at Jefferies.
Under Armour, Inc. (NYSE: UA) Raised to Buy at Needham.
UnitedHealth Group (NYSE: UNH) named as Bull of the Day at Zacks. 

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