British shares cheer easing U.S.-Iran worries

(Reuters) - UK stocks rebounded on Thursday as chances of a full-blown crisis in the Middle East waned, but shares of SIG, Marks and Spencer and Card Factory missed out on the recovery after the companies warned of a hit to their annual performance.The FTSE 100 and FTSE 250 rose 0.4% after U.S. President Donald Trump stepped back from more military action against Iran and Tehran signalled an end to retaliation.Building materials supplier SIG slumped 25% to the bottom of the midcaps after..