What is S&P 500

[Freddy]

What is S&P 500? and why it is considered as a important factor in US stock market?

[Kaile]

The S&P 500 provides information about the performance of 500 leading US companies in the stock market. These companies cover many areas, like healthcare and tech, finance, and consumer goods. It's a key measure of the market's strength, and because many investments try to follow its performance, it's a vital tool for investing and understanding the economy.