The Stock Market Is on the Verge of Doing Something for the First Time in 155 Years
If you’ve watched the S&P 500 climb through 2025 and into 2026, you might have wondered how much higher it can go. One old but respected valuation gauge is flashing a signal that hasn’t shown up in more than a century of market data, and it deserves attention if you’re at or near retirement.
That gauge is the Shiller cyclically adjusted price-to-earnings ratio,