|Company||Market Cap (USD)|
|Airports of Thailand Public Company Ltd||$30.91 B|
|Shanghai International Airport Co. Ltd||$21.04 B|
|Aena S.M.E., SA||$19.71 B|
|AerCap Holdings N.V.||$14.78 B|
|Aéroports de Paris SA||$13.88 B|
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.