South32 is a multinational diversified mining and metals company. Created from BHP Billiton (former name of BHP Group), South32 produces bauxite, alumina, aluminum, energy and metallurgical coal, manganese, nickel, silver, lead, and zinc. It operates in Australia, Southern Africa, and South America.
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.