American Express is a global financial institution, operating in about 130 countries, that provides consumers and businesses charge and credit card payment products. The company also operates a highly profitable merchant payment network. The firm operates in four segments: US consumer services, US commercial services, international card services, and global merchant and network services. In addition to payment products, the company's commercial business offers expense management tools, consulting services, and business loans.
Market capitalization, or "market cap", is the aggregate market value of a company represented in a dollar amount. Since it represents the “market” value of a company, it is computed based on the current market price (CMP) of its shares and the total number of outstanding shares.
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