|Company||Market Cap (USD)|
|S&P Global Inc.||$135.97 B|
|CME Group Inc.||$65.59 B|
|Intercontinental Exchange, Inc.||$64.05 B|
|Moody's Corporation||$62.28 B|
|London Stock Exchange Group plc||$56.39 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.