|Company||Market Cap (USD)|
|Philip Morris||$156.90 B|
|British American Tobacco plc||$90.56 B|
|Altria Group, Inc.||$81.70 B|
|Japan Tobacco, Inc.||$34.53 B|
|Imperial Brands plc||$23.57 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.