These are some of the top analyst upgrades, downgrades and initiations seen in Wall St. research calls this Tuesday.

Amarin Corp. (NASDAQ: AMRN) started as Buy with $20 target at Citigroup.

Boston Scientific Corp. (NYSE: BSX) cut to Market Perform at Bernstein.

Brocade Communications Systems Inc. (NASDAQ: BRCD) maintained Hold at Argus.

Cablevision Systems Corp. (NYSE: CVC) cut to Hold at Canaccord Genuity.

Cardinal Financial Corp. (NASDAQ: CFNL) named as value stock of the day at Zacks.

Crocs Inc. (NASDAQ: CROX) started as Buy with $17 target at Goldman Sachs.

Finish Line Inc. (NASDAQ: FINL) started as Neutral at Goldman Sachs.

Foot Locker Inc. (NYSE: FL) started as Buy with $39 target Goldman Sachs.

General Moly Inc. (NYSEMKT: GMO) cut to Underperform at BofA/ML.

Health Management Associates Inc. (NYSE: HMA) cut to Underperform as Bear of the Day at Zacks.

Lazard Ltd. (NYSE: LAZ) started as Outperform with $34 target at Raymond James.

National Oilwell Varco Inc. (NYSE: NOV) cut to Equal Weight at Morgan Stanley.

Open Text Corp. (NASDAQ: OTEX) raised to Outperform at RBC.

PG&E Corp. (NYSE: PCG) maintained Buy rating but cut target to $45 at Argus.

Restoration Hardware Holdings Inc. (NYSE: RH) started as Neutral at Goldman Sachs and started as Outperform at Baird.

Steven Madden Ltd. (NASDAQ: SHOO) started as Sell with $35 target at Goldman Sachs.

ViroPharma Inc. (NASDAQ: VPHM) raised to Outperform at Leerink Swann.

Yelp Inc. (NYSE: YELP) raised to Buy with $24 target at Cantor Fitzgerald.

JON C. OGG

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