UK stock rally fizzles as deaths rise; Tesco warns of surging costs

(Reuters) - Britain's equity markets lost steam on Wednesday, as rising deaths globally doused hopes that the coronavirus crisis was abating, while Tesco warned of more costs due to the pandemic. Shares in Britain's biggest retailer fell 4.7% after saying it expects to take a hit of up to 925 million pounds and warned it was unable to give a profit forecast for this financial year. The blue-chip FTSE 100 index fell 1.3% after closing at a near two-week high on Tuesday, while midcap..