Trip. com group discloses that it is the subject of an antitrust investigation by china ’s top business regulator. Β· trip. com group ( tcom ), china s top online marketplace for booking travel , is facing an antitrust probe from regulators in china , the company said wednesday. Trip. com group tcom , china s top online marketplace for booking travel , is facing an antitrust probe from regulators in china , the company said wednesday. Trip. coms stock fell sharply in hong kong after china s top market regulator said it is investigating the online travel giant for possible antitrust violations. Why did trip com stock tumble wednesday? Click on a trending topic to learn more about it. Tcom ) stock is down 16% to trade at $63. 59 at last glance, after china s travel giant revealed it is facing an antitrust probe by the countrys business regulator over a suspected monopoly. Shares of the online travel agency. Β· trip. com group ltd (nasdaq: Ai-generated content sometimes contains inaccurate or incomplete information. Yahoo is using openai to generate summaries for this content. Is trip com facing antitrust probe in china? Will a nomura probe weaken trip coms position in china? Β· trip. com shares tumbled wednesday after chinese regulators said they are investigating potential monopolistic behavior by the online travel agency. Trip. com’s hong kong–listed shares plunged nearly 22% on thursday, making it the worst-performing stock on the hang seng index for the session. The selloff followed an. Β· shares of trip. com tumbled sharply after chinese regulators announced a formal antitrust investigation into the online travel giant, raising fresh concerns about regulatory pressure on major technology platforms in china. Trip. com stock sank. Why did trip com stock fall sharply in hong kong?