Apple's stock climbed 4.06% by Friday's close, while Nvidia tacked on 3.12%. Tech stocks led a broader market rally, with the Nasdaq up 2.06%, the S&P 500 gaining 1.81%, and the Dow adding 1.56%.

The stock market has been on a rollercoaster since Trump unveiled his sweeping new tariff program last week. Markets initially tumbled after the announcement, then fell further when China ...