NEW YORK (AP) -- Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and the Nasdaq Stock Market:
Pandora Media Inc., up $3.90 to $31.49
The internet radio company continues to hold off iTunes Radio and announced an in-car ad platform at the International CES gadget show.
Hhgregg Inc., down 67 cents to $12.93
The retailer issues guidance well below Wall Street expectations and says it's taking a beating in consumer electronics.
The Men's Wearhouse Inc., up $1.09 to $51.68
The clothier goes hostile in its bid for Jos. A. Bank with a $1.61 billion offer and announces plans to nominate two board members.
Twitter Inc., down $2.71 to $66.29
Morgan Stanley is the latest to downgrade the social media site, pointing to the difficulty of growing in such a crowded space.
Sirius XM Holdings Inc., up 26 cents to $3.83
Liberty Media, which owns about 53 percent of the online radio company, wants to take full control.
First Solar Inc., down $5.48 to $51.26
Goldman Sachs strips the solar company of its "Buy" rating and slashes its target price by $16, seeing declining profits ahead.
CombiMatrix Corp., up 30 cents to $2.84
A regulatory filing reveals that Longwood Capital Partners bought a 5.1 percent stake in the molecular diagnostics company.
Celgene Corp. down $7.19 to $162.62
Goldman Sachs downgrades the drug developer as its stock grows more pricey and on the performance of its psoriatic arthritis drug.
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