|Company||Market Cap (USD)|
|T-Mobile US||$164.31 B|
|China Mobile||$139.30 B|
|Nippon Telegraph & Telephone Corp||$103.75 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.