Big U.S. tech stocks have powered the market higher in recent years. Since the end of 2019, Nvidia shares have soared more than 1,700%, while Apple has advanced about 200% and Microsoft 140%. The ...

The company is facing pressure on two fronts—the government and a host of new AI-powered search rivals. It has the capacity to meet both challenges and continue to prosper.

The Trump administration’s 10% global tariff will take effect at 12:01 a.m. on Saturday, subjecting every nation and the vast majority of imported products to new duties. The 10% tariff will ...