Nvidia and major AI chipmakers slump - after new China rules revealed

US stock markets suffered more significant losses on Wednesday, with stocks in leading AI chipmakers slumping after firms said new restrictions on exports to China would cost them billions. It comes as China remains the focus of Donald Trump's tariff regime, with both countries imposing tit-for-tat charges of over 100% on imports. The US commerce department said in a statement it was "committed to acting on the president's directive to safeguard our national and economic security". Please use Chrome browser ...