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

American International Group, Inc. (NYSE: AIG) Started as Buy at BofA/ML.
Black Hills Corporation (NYSE: BKH) Raised to Outperform but cut target to $33 at Credit Suisse.
Boston Properties Inc. (NYSE: BXP) Raised to Buy at Argus.
CIGNA Corporation (NYSE: CI) Raised to Outperform as Bull of the Day at Zacks.
CME Group Inc. (NYSE: CME) Raised to Buy at UBS.
FuelCell Energy Inc. (NASDAQ: FCEL) Maintained Buy but cut target to $3.00 at Canaccord Genuity.
James River Coal Co. (NASDAQ: JRCC) Cut to Strong Sell at S&P Equity Research (late-Thursday).
LDK Solar Co., Ltd. (NYSE: LDK) Reiterated Hold at Argus.
Maidenform Brands, Inc. (NYSE: MFB) Reiterated Strong Buy as Value at Zacks.
MEMC Electronic Materials Inc. (NYSE: WFR) Cut to Hold at Stifel Nicolaus.
Micron Technology Inc. (NYSE: MU) Raised to Outperform at Wells Fargo; Reiterated Buy and $14 target at Gleacher & Co.
Oracle Corporation (NASDAQ: ORCL) Reiterated Outperform as #1 pick with $42 target at Credit Suisse.
SciQuest, Inc. (NASDAQ: SQI) Started as Buy at Canaccord Genuity.
SodaStream International Ltd. (NASDAQ: SODA) Reiterated Buy as Aggressive Growth at Zacks.
StanCorp Financial (NYSE: SFG) Reiterated Underperform as Bear of the Day at Zacks.
Under Armour, Inc. (NYSE: UA) Raised to Buy at Stifel Nicolaus.
Zale Corporation (NYSE: ZLC) Cut to Neutral at BofA/ML.
Zipcar, Inc. (NASDAQ: ZIP) Raised to Overweight at JPMorgan.

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JON C. OGG