The US 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 – such as Nvidia’s most sophisticated Rubin and Blackwell processors, as well as AMD’s MI350x – to Chinese entities located outside China.The unexpected guidance suggests the United States’ best artificial intelligence chips may have been making their way to the subsidiaries of Chinese AI firms based in places such as Malaysia...