Teenagers pose for a photo while holding smartphones in front of a Whatsapp logo in this illustration taken September 11, 2025. REUTERS/Dado Ruvic/Illustration Purchase Licensing Rights, opens new tabCompaniesMILAN, Dec 24 (Reuters) - Italy's antitrust authority (AGCM) on Wednesday ordered Meta Platforms (META.O), opens new tab to suspend contractual terms that could shut rival AI chatbots out of WhatsApp, as it investigates the U.S. tech group for suspected abuse of a dominant position.A spokes...