UPDATE: Red Robin Q2 Profit Misses Estimates, Shares Tumble By: Benzinga via Benzinga August 14, 2014 at 09:24 AM EDT Shares of Red Robin Gourmet Burgers (NASDAQ: RRGB) dipped more than 23% in pre-market trading after the company reported downbeat ... Read More >> Related Stocks: Red Robin Gourmet Burgers Inc