May 4, 2022 China News Chinese ride-hailing giant Didi says U.S. regulator is investigating its $4 billion IPO News Source: upstract.com Key Topics in this News Article: ChineseCybersecurityDidi ChuxingIPO News Snapshot: Shortly after Didi went public in the U.S. last year, Chinese regulators opened up a cybersecurity probe into the company. View Original Full News → News Timeline:Track the development of related news across the Internet. Timeline is being generated. Please check back and refresh this page soon.