美股部分明星股盘前大幅走低，英伟达盘前跌3.3%

Core Viewpoint - U.S. stock market shows significant declines in pre-market trading for several major tech stocks, indicating potential market volatility and investor concerns [2] Group 1: Company Performance - Nvidia shares fell by 3.3% in pre-market trading [2] - Google experienced a decline of 2.7% [2] - Broadcom's stock decreased by 2.5% [2] - TSMC (Taiwan Semiconductor Manufacturing Company) saw a drop of 3.4% [2] - Tesla's stock plummeted by 5% [2]