Chinese ride-hailing giant Didi Chuxing, currently subject to a cybersecurity investigation, is quietly pushing ahead with a plan to make its own vehicles by expanding the team, according to people familiar with the matter. The Beijing-based company, which has been under investigation by the Cyberspace Administration of China (CAC) since mid-July, has opened over 100 vacancies for the unit since the end of last month, ranging from design, engineering, to procurement and logistics, according to its official careers site. This marks an expansion from the current 600 employees at the unit, said a person familiar with the matter, who declined...