In business and investing the market capitalization term megacap stock is also referred to as mega-cap in the United States.
Capitalization is the total value of the outstanding common shares owned by stockholders.
Megacap stocks are listed on the NASDAQ Capital Market or American Stock Exchange (AMEX).
Market caps term may be different outside the United States.
[1][2] Mega cap stocks that are over $200 billion in the second quarter of 2023.