美股芯片股继续下挫：英伟达、博通跌幅扩大至4%

Group 1 - U.S. chip stocks continue to decline, with Nvidia and Broadcom experiencing a drop of 4%, AMD falling by 4.7%, and TSMC decreasing by 3.6% [1] - The Nasdaq Composite Index has decreased by 0.77% [1]