‘The party is pushing back’: why Beijing reined in Jack Ma and Ant

The billionaire’s criticism of regulators didn't sit well with the country's communist leaders. Jack Ma’s Alipay was on its way to becoming China’s largest bank until Beijing suspended its stock market listing. What does this mean for the leading light of China’s technology start-up sector? James Kynge, Henny Sender and Sun Yu investigate in the Financial Times.