U.K. stocks head for worst month since June By: MarketWatch January 31, 2014 at 07:45 AM EST The FTSE 100 heads for its biggest monthly loss since June, tracking a wider selloff in Europe. Read More >> Related Stocks: BAT Bae Systems ADR Barclays Plc ADR Bt Group Plc Diageo Plc ADR HSBC Holdings Plc ADR Royal Bank Scotland Group Plc