After-hours buzz: CBS, Gap, GrubHub & more By: CNBC.com News May 08, 2014 at 15:58 PM EDT Check out which companies are making headlines after the bell Thursday: CBS, Gap, GrubHub & more Read More >> Related Stocks: CBS Corp Gap Grubhub Ord Shs Jazz Pharma Plc Monster Beverage News Corporation Symantec Corp