https://www.reuters.com/article/us-china-didi-global-timeline/didi-u-s-debut-overshadowed-by-china-cybersecurity-probe-idUSKCN2EB17D >China's cyberspace regulator has announced a cybersecurity investigation into Chinese ride-hailing giant Didi Global Inc and ordered that Chinese app stores halt downloads of its app, days after the company's U.S. initial public offering.