Chinese start-up DeepSeek created a cost-efficient and powerful artificial intelligence model that appears to rival U.S.

Rebounding tech stocks drove U.S. indexes higher a day after they tumbled on doubts about the artificial intelligence frenzy.

The Dow Jones Industrial Average and the other major indexes held hearty gains in the final hours of trading Tuesday, as ...

With the dominant iPhone franchise, Apple has grown into one of the largest companies in the world in the last two decades.