The S&P 500's forward 10-year returns are often misrepresented as tightly and negatively correlated with its trailing P/E ratios. Statistical flaws—non-independent samples and outlier events—made the ...

As we enter 2026, the S&P 500 stands at a historically high valuation. Models suggest that smaller and international stocks ...

The messages from the chart, in most investors’ interpretation (especially the bears’ these days), are so clear that they are almost irrefutable. The most common interpretation is that the chart ...

The S&P 500 has been outperforming its long-run average in six of the past seven years now. The index hasn't posted double-digit returns for four straight years since before the dot-com bubble ...