European majors open the week sharply higher as latest Brexit polls in UK showed that support has swung back to the "remain" camp. A poll by Survation for the Mail on Sunday showed 45% supporting "remain" with EU and 42% supporting "leave". A YouGov survey for the Sunday Times showed 44% supporting "remain" and 43% supporting leave. An Opinium poll showed a tie of 44% each. The poll results showed and turn in the momentum after the tragic murder of pro-EU British MP Jo Cox. Campaigns of both cam…