AmEx and Costco: What's Behind Their Split?
American Express' standing as the only credit card accepted at Costco stores will soon come to an end.
First Costco and Then Wall Street Declined American Express Company
American Express took a drubbing for a second straight day on Friday after four Wall Street firms cut their price targets on AmEx's stock. Find out if these price cuts have any merit.
Costco Wholesale Corp. Delights Investors With Special Dividend
Costco showcases the financial strength that enables it to generously reward investors.