Monday’s first-quarter GDP data underlined the broadening impact of the outbreak, with exports plunging the most since the devastating March 2011 earthquake as global lockdowns and supply chain disruptions hit shipments of Japanese goods. Analysts warn of an even bleaker picture for the current quarter as consumption crumbled after the government in April requested citizens to stay home and businesses to close, intensifying the challenge for policymakers battling a once-in-a-century ...