STORY: On a day when several Big Tech stocks did not perform well, "you would think... that the Nasdaq would be underperform, but it's outperforming," Browne said. "You'd think that the cap weighted S&P, which is tied heavily to the Mag 7 stocks, would be underperforming, relative to the equal weight. It's not."Browne said the broadening of stock gains reflects not only faith in the broader economy, but also potential productivity gains by businesses due to AI, "which is what makes the AI trade so exciting," he added.