British midcaps hit over three-month low; FTSE 100 outshines

(Reuters) - London's mid-cap index slid to its lowest in more than three months on Wednesday amid worries that Britain's upcoming budget may disappoint investors, while the FTSE 100 snapped a four-day losing run after a rally on Wall Street.The FTSE 250 shed 0.5%. The export-laden FTSE 100 , which fell to a one-year low earlier, ended 0.4% higher as investors in the United States bought into stocks after a recent sell-off triggered by concerns over the coronavirus. Firms more exposed to the..