Currency traders are starting to factor in a new trigger for the rally in the British pound: the possibility that Boris Johnson will step down. Far from the eroding the gains that have made sterling one of the top performers versus the dollar this month, the prospect of the prime minister’s resignation could give the currency a further lift, according to some strategists. That comes against the backdrop of broadly improving sentiment on the pound as traders set their sights on a Bank of England tightening cycle and a potential shift to the endemic stage of Covid-19. U.K. Assets Look Past Johnson Turmoil With All Eyes ... (full story)