The Chinese government is preparing to impose national security legislation on Hong Kong, and sales surged at the US retailers deemed “essential” by local authorities in the first quarter. Plus, the business of higher education is under threat because of coronavirus. The FT’s Jack Andrew explains. To get free access to the FT’s Coronavirus Business Update newsletter for 30 days, visit ft.com/newsbriefingcovid or follow this link: https://www.ft.com/newsletter-signup/coronavirus?segmentId=9f398053-342f-c623-b5b3-1506d651696f.   See acast.com/privacy for privacy and opt-out information.