Celldex, Shire in drug-sector spotlight By: MarketWatch May 18, 2011 at 10:50 AM EDT Celldex Therapeutics tumble after the biotech group prices a public offering almost 20% below the stock’s prior-day close. Shire climbs on deal news. Read More >> Related Stocks: Celldex Therapeutics Macy's Senvest Capital Inc Shire Plc Ads