(Bloomberg) -- Didi Global Inc. shares got a shot in the arm after one of its largest shareholders increased its stake in the company. Shares of the Chinese ride-hailing firm rose as much as 5.8% Thursday, their fourth straight day of gains, after a regulatory filing showed that Tencent Holdings Ltd. added about 1.8 million Class A ordinary shares to its holdings. The move raises Tencent’s total ownership of Didi to 7.4% as of Dec. 31, up from the 6.4% that had been disclosed ahead of its June initial public offering. “The increased stake indicates Tencent’s confidence in Didi, while...