Traders work during the IPO for Didi Global on the New York Stock Exchange floor on June 30: Didi had already started trading when the regulator blew the whistle. © Reuters July 31, 2021 05:42 JST | U.S. Copy Copied NEW YORK (AP) — Chinese companies hoping to sell their shares in the United States must start making more disclosures about their potential risks before U.S. regulators will allow them to list their stock. The Securities and Exchange Commission announced the move Friday after Beijing said it would step up its supervision of Chinese companies listed overseas, including reviews of…