美股大型科技股盘前普跌

Group 1 - Multiple AI concept stocks experienced declines in pre-market trading, with Nvidia's drop reaching 3%, TSMC down 2.9%, and AMD and Oracle falling over 2% [1] - Major tech stocks also saw pre-market declines, including Apple, Tesla, Google, and Microsoft [1] Group 2 - Among Chinese concept stocks, Xpeng Motors fell over 3%, Alibaba dropped over 2%, and Baidu Group decreased by 1.35% [2]