The AI-Driven Stock Runup May Not Be As Good As Many Assume

A trader works at his desk on the floor of the New York Stock Exchange (NYSE) at the opening bell on July 18, 2025, in New York City. Upbeat company earnings and healthy US data buoyed stock markets on Friday, pushing ongoing concerns about President Donald Trump's tariffs into the background. New York — whose S&P 500 and Nasdaq Composite struck record highs on July 17 — held on to gains, even if the Dow struggled a little at the start. Most European and Asian markets were pulled higher as well. (Photo by A ...