Wal-Mart Sues Visa for $5 Billion Over Card Swipe Fees

Wal-Mart this week sued Visa Inc for $5 billion, accusing the credit and debit card network of excessively high card swipe fees, several months after the retailer opted out of a class-action settlement between merchants and Visa and MasterCard. Visa declined to comment on the suit, filed Tuesday in the