U.S. takes step to halt Nvidia AI chip shipments to Chinese firms outside China

Nvidia showed CNBC its latest Vera Rubin superchip at its Santa Clara, California, headquarters on Feb. 13, 2026. Marc Ganley | CNBC The U.S. Department of Commerce on Sunday moved to close a year-old potential loophole it had created that may have led companies to export the world's most advanced chips — like Nvidia's most sophisticated Rubin and Blackwell processors, as well as AMD's MI350x — to Chinese entities located outside China. …