Cowen Downgrades GrubHub Amid 'Worse Than Feared Competitive Inroads' By: Benzinga via Benzinga July 27, 2015 at 08:28 AM EDT In a report published Monday, Cowen analyst Kevin Kopelman downgraded shares of GrubHub Inc (NASDAQ: GRUB) to Market Perform from ... Read More >> Related Stocks: Grubhub Ord Shs Yelp Inc