The rule was criticized by AI chipmakers Nvidia ( NVDA, +0.3%) and Advanced Micro Devices ( AMD, +1.3%), and both stocks gained on today's news.

It felt much longer, but the U.S. stock market needed just a few weeks to roar all the way back to where it was on President Donald Trump's “Liberation Day.” That's when he shocked Wall Street by announcing much steeper tariffs than expected on nearly all U.