Stock Update (NYSE:AXP): American Express card rules violated U.S. antitrust law – judge

[Reuters] – American Express Co violated U.S. antitrust law by prohibiting merchants from steering consumers to use lower-cost credit cards, a federal judge ruled on Thursday, in the company’s second major setback this . . . → Read More: Stock Update (NYSE:AXP): American Express card rules violated U.S. antitrust law – judge Similar Articles: Company Update: Yahoo! Inc. (NASDAQ:YHOO) – Feds can’t indefinitely gag Yahoo about subpoena, judge rules Company Update (NYSE:AXP): American Express: Charging ahead on diversity Company Update (NYSE:AXP): American Express Appoints Neal Sample President, Enterprise Growth