NEW YORK/WASHINGTON—The New York Stock Exchange is starting the process of delisting securities of three Chinese telecom companies, after President Donald Trump last month barred U.S. investments in Chinese firms Washington says are owned or controlled by the military. The move by the NYSE, which will limit U.S. investor access, follows global index providers MSCI…

NEW YORK/WASHINGTON—The New York Stock Exchange has started the process of delisting securities of three Chinese telecom companies, after President Donald Trump last year barred U.S. investments in Chinese firms that Washington says are owned or controlled by the military. The move by the NYSE, which will limit U.S. investor access, follows global index providers…