The U.S. stock market has become so concentrated that even broad index funds are no longer well diversified, our columnist says. By Jeff Sommer Jeff Sommer writes Strategies, a weekly column on ...

Forbes contributors publish independent expert analyses and insights. Steve Vernon, FSA, helps retirees make their money last for life. If you’re retired, the recent significant gains in the stock ...

A groundbreaking study, published in the September 2025 issue of the International Review of Economics & Finance, reveals that a surprisingly simple metric—the difference between current S&P 500 ...

The S&P 500 index is trading at the second-most expensive valuation in its history right now. Investors should never try to time the market, because this often results in missed gains. However, it can ...