The world’s largest stock exchanges offer thousands of stocks for investors to trade with trillions of dollars in listed stocks. The ranks of the biggest exchanges include those in the United States, ...

When financial analysts talk about the biggest or most valuable publicly-traded companies in the world, they mean the companies that have the largest market capitalization. Called market cap for short ...

The S&P 500 index ended Q1 2025 with a market cap of $49.41 trillion, a net decrease of $2.45 trillion (or 4.7%) from the $51.86 trillion recorded at the end of Q4 2024. Much of that decline was ...