Shares of chipmaker Nvidia plunged Monday, for its worst day since the global market selloff in March 2020 that the coronavirus pandemic triggered.

With Monday’s losses, Apple has retaken the title of world’s most valuable company and Nvidia’s value sank to around $2.8 trillion.

The shocking success of a new model from a mysterious Chinese lab has America questioning its leadership of the sector.

As DeepSeek rattles Nvidia and other AI names, ServiceNow stock holds strong near a breakout with earnings due.

Investors are worried about the rapid success of China's DeepSeek. It has developed low-cost AI models that don't require the most ad

DeepSeek stunned the tech world with the release of its R1 "reasoning" model, matching or exceeding OpenAI's reasoning model for a fraction of the cost.