text: American Express sues credit card rivals American Express is suing Visa and MasterCard plus eight US banks, claiming anti-competitive tactics kept it out of the market. The litigation is the latest setback for Visa and MasterCard, which last month 
inputs: American Express sues credit card rivals American Express is suing Visa and MasterCard plus eight US banks, claiming anti-competitive tactics kept it out of the market. The litigation is the latest setback for Visa and MasterCard, which last month 