American Express is a financial services company, established in 1850. AMEX's primary products are charge and credits cards. The company operates globally and has a number of strategic partnerships with third-party card issuers.In addition to payment cards, AMEX delivers an expanded list of services including merchant acquisition, fee services, travel-related services and more.Fortune included American Express in the 20 Most Admired Companies list. Its shares are traded on the New York stock exchange. The company is a member of major market indices such as the DJIA, S&P 100 and the S&P 500. Explore the American Express share price at Capital.com.