Top Analyst Upgrades and Downgrades (AIXG, BK, COCO, EMC, GILD, MIR, MUR, NBG, NTAP, PNC, RRI, LCC, WERN)

These are some of the top analyst upgrades, downgrades, and initiations seen early this Tuesday morning in Wall Street research calls:

Aixtron Aktiengesellschaft (NASDAQ: AIXG) Cut to Neutral at JPMorgan Cazenove.
The Bank of New York Mellon Corporation (NYSE: BK) Started as Buy at Jefferies.
Corinthian Colleges Inc. (NASDAQ: COCO) Cut to Hold at Argus.
EMC Corp. (NYSE: EMC) Cut to Neutral at JPMorgan.
Gilead Sciences Inc. (NASDAQ: GILD) Raised to Hold from Sell at Morgan Joseph.
Mirant Corporation (NYSE: MIR) Raised to Neutral from Sell at UBS.
Murphy Oil Corporation (NYSE: MUR) Raised to Hold from Sell at Benchmark.
National Bank of Greece SA (NYSE: NBG) Cut to Underweight at JPMorgan Cazenove; Citigroup cut price target but kept at Buy rating.
NetApp, Inc. (NASDAQ: NTAP) Raised to Overweight at JPMorgan.
PNC Financial Services Group (NYSE: PNC) Raised to Outperform at KBW.
RRI Energy (NYSE: RRI) Raised to Neutral from Sell at UBS.
US Airways Group (NYSE: LCC) Raised to Overweight at JPMorgan.
Werner Enterprises (NASDAQ: WERN) Raised to Buy at KeyBanc.

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JON C. OGG

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