FTSE 100 rises to a 2-week high as Brexit voting gets underway By: MarketWatch June 23, 2016 at 04:06 AM EDT U.K. stocks are gaining Thursday, as voting got under way to determine whether the U.K. will remain a member of the European Union. Read More >> Related Stocks: Barclays Plc ADR HSBC Holdings Plc ADR Lloyds Banking Group Plc ADR