By Sinéad Carew, Amanda Cooper and Ankur Banerjee LONDON/SINGAPORE (Reuters) - Investors made a quick exit from a host of ...

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

It’s not just Nvidia. Chip makers, data-center operators and other companies looking to sell picks and shovels into the gold rush of the artificial-intelligence boom are getting a brutal beat-down.

Major US technology firms stocks dropped after the emergence of a low-cost chatbot built by a Chinese AI firm.