美股期货跌幅扩大，明星科技股盘前大幅走低

Market Overview - S&P 500 futures declined by 58.75 points, or 0.87% [1] - Nasdaq 100 futures fell by 344.50 points, or 1.37% [1] - Dow Jones futures decreased by 260.00 points, or 0.55% [1] Stock Performance - Notable tech stocks experienced significant pre-market declines: - Tesla dropped by 5% [1] - Nvidia and TSMC fell over 3% [1] - Google decreased by 2.7% [1] - Broadcom declined by 2.5% [1] Gold Market - Spot gold prices continued to retreat, with a decline of 1.35%, trading at $4,114.731 per ounce [1] - Gold prices fell nearly $100 from the daily high [1]