This has been one expensive cab ride for Didi Chuxing. The Chinese ride-hailing group travelled to New York for its $4.4bn IPO in June, but on Friday said it would be delisting, turning round and driving to Hong Kong for an IPO there. Didi had borne the brunt of China’s decoupling from US capital markets as Beijing cracks down on the country’s leading technology groups. Regulators had ordered Didi’s app be taken off domestic app stores, it was banned from signing up new users and subjected to a wide-ranging government investigation into its cyber security practices. Its shares had tumbled...