Why Losing Costco Would Matter for American Express; Discover Sues Visa

Earlier this month, news broke that Costco Wholesale (COST) was considering dumping American Express (AXP) as its credit card of choice in the U.S. Susquehanna’s James E Friedman and Xin (Joey) Yang explain why Costco is important to American Express: Getty Images Costco Cobrand Is Important, Especially for Small Business. The big-box retailer does nearly [...]