Entertainment Alibaba sinks 18% in worst day ever after Chinese regulators open antitrust investigation By - December 25, 2020 0 447 Facebook Twitter Pinterest WhatsApp Alibaba suffered its worst one-day decline ever since going public in 2014 after Chinese regulators opened an antitrust investigation into the e-commerce giant. Alibaba fell as much as 18%, far outpacing its previous record one-day decline of 8.8%…