Berkshire Hathaway Inc.
Berkshire Hathaway Inc. is a multinational conglomerate holding company. It wholly owns GEICO, Duracell, Dairy Queen, BNSF, Lubrizol, Fruit of the Loom, Helzberg Diamonds, Long & Foster, FlightSafety International, Pampered Chef, and NetJets, and also has significant shares of Pilot Flying J, Kraft Heinz Company, American Express, Wells Fargo, The Coca-Cola Company, Bank of America, Apple, United Airlines, Delta Air Lines, Southwest Airlines and American Airlines. Berkshire Hathaway also acquired a number of smaller companies in a wide variety of industries, including confectionery, retail, railroads, home furnishings, encyclopedias, manufacturers of vacuum cleaners, jewelry sales, newspaper publishing, manufacture and distribution of uniforms, and several regional electric and gas utilities.
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.