Mastercard stock slips after UK fee-cap court loss as Washington targets swipe fees
New York, Jan 15, 2026, 18:21 EST — After-hours Mastercard Incorporated shares slipped in late trading on Thursday, tracking a dip in Visa, after a UK court rejected a challenge to a proposed cap on certain cross-border card fees. The decision lands as policymakers on both sides of the Atlantic circle the plumbing of card payments — a business built on fees that are easy to ignore when spending is strong and growth is clean. Interchange fees, sometimes called swipe fees, are the slice of a card purchase paid by the merchant’s bank to the card-issuing bank. They help fund