Fortescue Metals Group Ltd, also referred to as Fortescue or FMG, is one of the largest producers of iron ore in the world. Fortescue Metals Group operates iron ore mines throughout Australia and ore transports including trains and ore carrying ships. It is now engaged in the exploration for diversification in gold, copper, and lithium.
The market capitalization of a company, more simply referred to as "market cap", is the total market value of a publicly traded company's outstanding shares. It is often considered as a key indicator of what a company is worth.