Volkswagen once briefly became world's most valuable company
German carmaker Volkswagen briefly became the world's most valuable company with over $370 billion market capitalisation in October 2008. Volkswagen's share price rocketed after Porsche revealed that it had effectively gained control of 74% of Volkswagen's voting shares. Volkswagen, which was founded on May 28, 1937,  had dethroned energy titan Exxon Mobil to become the most valuable company.