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.

Some on Wall Street saw Monday's nearly 17% plunge for Nvidia's stock as an opportunity rather than a signal of pending doom, ...

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

Investors also assessed a return to a tougher tone on tariffs from President Donald Trump, ahead of the start of a Federal ...

Nvidia shares' 9% recovery Tuesday was the second-best day in terms of market cap added for any company ever, trailing only a ...