Mastercard stock tumbles below $500 after-hours as tariffs, AI fears rattle Wall Street
Mastercard fell 5.7% to $496.03 in after-hours trading Monday as U.S. stocks dropped on tariff worries and AI disruption fears. Visa slid 4.5% and American Express lost 7.2%, while PayPal jumped 5.8% on takeover speculation. Wall Street braced for new U.S. data and tariff headlines in the next session.