Justice Department Investigates Visa’s Fintech Relationships

The Justice Department is scrutinizing Visa Inc.’s relationships with large financial-technology companies as part of its antitrust investigation of the card giant, according to people familiar with the matter.

Antitrust investigators are looking into the financial incentives that Visa gave Square Inc., Stripe Inc. and PayPal Holdings Inc., the people said. Investigators want to know if those deals kept the payments firms from using other card networks or money-movement technologies, the people said.