Medarex, Celgene soar; Celera tanks By: MarketWatch July 23, 2009 at 12:57 PM EDT Drug stocks gain ground as shares of Medarex Inc. rocketed on news that it was being bought by Bristol-Myers Squibb for $2.1 billion. Read More >> Related Stocks: Bristol-Myers Squibb Celgene Corp Macy's Pfizer
