Stock symbol

A stock symbol is a shorthand code, usually 1 to 5 uppercase letters (though it may occasionally include a dot), which represents a company with respect to a stock exchange such as the NYSE or Nasdaq.

For example:

• MSFT - Microsoft
• KO - Coca-Cola Company
• BRK.A - Berkshire Hathaway[?]
• A - Agilent Technologies Incorporated