(AP Photo/Ng Han Guan) The Journal, citing unidentified sources, said buying back the shares was one option being considered by Didi and its bankers to resolve investor complaints. Didi's share price has fallen about 25% since its June 30 debut after the company was blocked from adding new customers while it overhauled how it handled their data and regulators announced a review of company-wide network security. "The company affirms that the above information is not true," Didi said on its website.