Retail banks' worst nightmare? Google By: CNBC.com News October 21, 2013 at 02:32 AM EDT Retail banks care becoming increasingly concerned about being left behind by trends in social networking and mobile computing, according to a survey of the industry. Read More >> Related Stocks: Banco Bilbao Viscaya Argentaria S.A. ADR Barclays Plc ADR Facebook Google, Inc. Infosys Ltd ADR Wells Fargo