December 22, 2024

Is the U.S. stock market too ‘concentrated’? Here’s what to know

 Is the U.S. stock market too ‘concentrated’? Here’s what to know

Is the U.S. stock market too ‘concentrated’? Here’s what to know

Just a handful of large U.S. companies account for a third of the S&P 500 stock index. Some experts fear investors are at risk.