European shares retreat after two-day rally as Tesco slumps

(Reuters) - European shares dipped on Wednesday following a two-day rally, as the number of coronavirus deaths rose again in Spain, while France became the fourth country to report a death toll of more than 10,000.Britain's biggest retailer Tesco slumped 7% to the bottom of the STOXX 600 after saying it expected to take a hit of up to 925 million pounds ($1.1 billion) from coronavirus-related costs.The pan-European STOXX 600 index was down 0.9% at 0703 GMT, after a strong start to the week on..