Red Robin Gourmet Burgers Shares Surge On Upbeat Earnings By: Benzinga via Benzinga May 19, 2015 at 10:45 AM EDT Shares of Red Robin Gourmet Burgers, Inc. (NASDAQ: RRGB) jumped over 11 percent after the company reported stronger-than-expected ... Read More >> Related Stocks: Red Robin Gourmet Burgers Inc