
Citigroup Inc. (NYSE: C) was raised to Outperform from Market Perform at Bernstein. Sterne Agee maintained its Neutral rating but raised estimates.
Dean Foods Co. (NYSE: DF) was started with a Buy rating at BB&T Capital Markets.
EnerNOC Inc. (NASDAQ: ENOC) was raised to Overweight from Neutral with a $24.50 price target by J.P. Morgan.
Equinix Inc. (NASDAQ: EQIX) was raised to Outperform from Perform at Oppenheimer.
Halozyme Therapeutics Inc. (NASDAQ: HALO) was started as Buy at Citigroup.
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International Business Machines Corp. (NYSE: IBM) was downgraded to Neutral from Buy at Citigroup.
Lululemon Athletica Inc. (NASDAQ: LULU) was reiterated as Buy with a $69 target around the analyst day at Canaccord Genuity.
MasterCard Inc. (NYSE: MA) was raised to Buy from Neutral at Janney Capital Markets.
Morgan Stanley (NYSE: MS) was raised to Buy from Neutral at Bank of America Merrill Lynch.
PetSmart Inc. (NASDAQ: PETM) was downgraded to Underperform from Neutral at Merrill Lynch.
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Repligen Corp. (NASDAQ: RGEN) was started with a Buy at Jefferies.
Spansion Inc. (NYSE: CODE) was started as Buy at Sterne Agee.
Wal-Mart Stores Inc. (NYSE: WMT) was downgraded to Underperform from Market Perform at William Blair.
Visa Inc. (NYSE: V) was raised to Buy from Neutral at Janney Capital Markets.
Yahoo! Inc. (NASDAQ: YHOO) was raised to Outperform from Neutral at Macquarie.