Elan is upgraded to 'market perform,' and Affymax is downgraded to 'neutral.'
The biotech was rumored to be a takeover target but aims to be a buyer instead.
Riverbed is downgraded at 2 firms, and Activision Blizzard is upgraded to 'outperform.'
The month also features a big gathering of biotech CEOs in New York and a cancer research meeting in Florida.
Stocks add to earlier gains as Fed announces plans to continue stimulus measures.
Teva is downgraded to 'market perform,' and Under Armour is initiated with an 'underweight.'
Stocks are mixed in a lackluster trading session, with the Dow the leader and the Nasdaq the laggard.
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The apparel chain takes a hard hit after blaming the weather for its quarterly sales decline. But cold temperatures don't explain the drop in full-year sales as well.
The Market Dispatches column has been discontinued. Here's where to find the latest stock and business news on MSN Money, and the latest from market writer Charley Blaine.
MONEY & POLITICS
Breaking up big banks is an untested solution to the too big to fail problem that attempts to isolate and dismantle large, troubled institutions while protecting the rest of the economy.
Even when they have a plan for their refund check from Uncle Sam, Americans often don't realize how they actually spend the windfall.
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