Stocks grind higher on recovery hopes

LONDON/SYDNEY (Reuters) - Europe's shares added to their best gains in almost a month as safety plays lost their lustre on Wednesday, with hopes of a rapid economic recovery standing firm against a resurgence of global coronavirus cases.Data showed U.S. retail sales bounced back sharply in May, but new infections have hit record highs in six U.S. states and China cut flights and closed schools to contain a fresh outbreak in Beijing.The theme of a strong global economic rebound "will need to be..