Concentration risk remains one of investors' key concerns about the U.S. stock market right now. With just 10 or so firms driving the vast majority of the S&P 500’s gains, the index may be becoming ...

The S&P 500 has grown more than 17% YTD, but is that rise deceptive? A significant amount of that growth owes to just a few key names. Those include the usual mega-cap tech firms like Apple (AAPL) and ...

Index concentration was a central theme at this year’s Schwab IMPACT conference in Denver, Colorado. In particular, advisors are grappling with how to avoid undue risk as a bull market powered by a ...

Market concentration today is the highest it has been in the last 29 years. This has created an unprecedented headwind for active managers in the post-COVID era. Historical relationships suggest if ...