Shares surge for drug-testing firm Quintiles as IPOs stay strong Shares of drug-development firm Quintiles Transnational Holdings Inc. jumped Thursday on the New York Stock Exchange, another sign of strong investor demand for initial public offerings. Jin Lee/Bloomberg / May 9, 2013 By Chad Terhune May 9, 2013, 8:46 a.m. Shares of drug-testing firm Quintiles Transnational Holdings Inc. soared nearly 10% in Thursday trading, marking another strong debut for initial public offerings in a buoyant stock market.