Top Analyst Upgrades and Downgrades (MO, AGU, AZN, ATHN, BRCD, DD, GSK, INAP, LO, MMYT, MOS, NBG, NVDA, POT)

There are many research calls this Thursday morning and these are just some of the top analyst upgrades, downgrades, and initiations seen in Wall Street research notes:

Altria Group Inc. (NYSE: MO) Cut to Hold from Buy at Stifel Nicolaus.
Agrium Inc. (NYSE: AGU) Started as Positive at Susquehanna (late Wednesday).
AstraZeneca plc (NYSE: AZN) Cut to Underperform at BNP Paribas.
athenahealth, Inc. (NASDAQ: ATHN) Started as Outperform at FBR.
Brocade Communications Systems, Inc. (NASDAQ: BRCD) maintained Neutral with $5.50 target at UBS as firm believes takeover chances are lower than rumors.
DuPont (NYSE: DD) Started as Positive at Susquehanna (late Wednesday).
GlaxoSmithKline plc (NYSE: GSK) Raised to Neutral at BNP Paribas.
InterNap Network Services (NASDAQ: INAP) Started as Outperform at Wells Fargo.
Lorillard (NYSE: LO) Cut to Hold at Stifel Nicolaus.
MakeMyTrip Limited (NASDAQ: MMYT) Started as Perform at Oppenheimer.
The Mosaic Co. (NYSE: MOS) Started as Positive at Susquehanna (late Wednesday).
National Bank of Greece SA (NYSE: NBG) Raised to Hold from Strong Sell at S&P Equity Research (late Wednesday).
NVIDIA Corporation (NASDAQ: NVDA) Raised to Outperform at BMO.
Potash Corp. of Saskatchewan (NYSE: POT) Started as Neutral at Susquehanna (late Wednesday).

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JON C. OGG