|Company||Market Cap (USD)|
|RTX Corporation||$141.92 B|
|Lockheed Martin||$118.10 B|
|Northrop Grumman Corporation||$69.97 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.