WASHINGTON — The U.S. economic system shrank at a dizzying 33% annual price within the April-June quarter — by means of a long way the worst quarterly plunge ever — when the viral outbreak close down companies, throwing tens of thousands and thousands out of labor and sending unemployment surging to 14.7%, the federal government stated Thursday. The Commerce Department’s estimate of the second-quarter decline within the gross home product, the whole output of products and services and products, marked the sharpest such drop on information courting to 1947. The earlier worst quarterly contraction, a 10% drop, came about in 1958 all through the Eisenhower management. Last quarter’s drop adopted a 5% fall within the January-March quarter, all through