Prime Minister May-be By: TalkMarkets April 19, 2017 at 07:40 AM EDT Theresa May called an election in Britain for June 8. Under new rules Parliament must vote 2/3 in favor of an earlier poll than the next one slated, for 2020. Read More >> Related Stocks: Aberdeen Plc ADR BP Plc ADR Bae Systems ADR Gsk Plc ADR Orocobre Ltd Sociedad Quimica Y Minera DE Chile ADR R Teva Pharmaceutical Industries ADR Vale ADR Representing One Ord Shs