Under a law introduced in 2020, the US regulator must have full access to information from accountants of foreign companies listed in the US. Where companies from other countries open up, the government in Beijing is blocking an American assessment of the due diligence in China. In addition to Alibaba, more than 270 Chinese companies are at risk of losing their New York stock exchange listing for the same reason. This includes the operator of fast food chain KFC in China, Yum China Holdings. Social media company Weibo and e-commerce company JD.com are also on the list. banned After the...