Sapient surges on Publicis buyout: Big U.S. stock movers By: MarketWatch November 03, 2014 at 09:11 AM EST Sapient, Ryanair, Laboratory Corp of America Holdings and American Realty are among the company’s moving in Monday’s premarket trading. Read More >> Related Stocks: Apple Changyou.com Ltd Church & Dwight Company Geron Corp Laboratory Corp American Holdings