Key Takeaways Chip stocks advanced Thursday after President Donald Trump said companies that commit to manufacturing in the U.S. will be exempt from 100% tariffs on imported semiconductors.Trump's announcement was light on details about how the tariffs and exemptions would work,

President Donald Trump stunned markets Wednesday by announcing 100% tariffs on imported semiconductor chips — but major chip stocks rallied. Taiwanese chip giant TSMC's stock closed 4.9% higher. In South Korea, Samsung Electronics ended 2.5% higher while SK Hynix reversed losses of over 3% in early trade to close 1.4% up.

The S&P 500 edged down by 0.1 percent after climbing earlier in the day to the edge of its record, which was set late last month. The Dow Jones Industrial Average was down 330 points.