Top Analyst Upgrades & Downgrades (AIR, AA, AMAT, BWLD, CAT, OFC, DNDN, EMC, MRH, NFLX, SANM, SGEN, S, UNH, VFC, WFMI, YMI, ZBRA)

These are some of the top analyst upgrades, downgrades, and initiations seen from Wall Street research calls this Monday morning.

AAR Corporation (NYSE: AIR) Maintained Outperform as Bull of the Day at Zacks.
Alcoa Inc. (NYSE: AA) Raised to Buy at Goldman Sachs.
Applied Materials Inc. (NASDAQ: AMAT) Cut to Neutral at JPMorgan.
Buffalo Wild Wings, Inc. (NASDAQ: BWLD) Maintained Strong Buy at Zacks.
Caterpillar Inc. (NYSE: CAT) Reiterated Outperform and target raised to $148 at Credit Suisse.
Corporate Office Properties (NYSE: OFC) Cut to Underweight at JPMorgan.
Dendreon Corporation (NASDAQ: DNDN) Started as Underperform at Credit Suisse.
EMC Corp. (NYSE: EMC) Raised to Buy with $35 target at BofA/ML.
Montpelier Re Holdings (NYSE: MRH) named as Bear of the Day at Zacks.
Netflix, Inc. (NASDAQ: NFLX) Raised to Buy at Citigroup.
Sanmina-SCI Corporation (NASDAQ: SANM) Raised to Buy at Argus.
Seattle Genetics Inc. (NASDAQ: SGEN) Started as Buy
Sprint-NexTel Corporation (NYSE: S) Reiterated Buy with $7 target at Argus.
UnitedHealth Group (NYSE: UNH) Kept at Strong Buy and noted as Value at Zacks.
V.F. Corporation (NYSE: VFC) Cut to Hold at Citigroup.
Whole Foods Market, Inc. (NASDAQ: WFMI) Cut to Hold at Jefferies.
Y M Biosciences Inc. (AMEX: YMI) Started as Neutral with $4 target at BofA/ML.
Zebra Technologies Corp. (NASDAQ: ZBRA) Raised to Overweight at JPMorgan.

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