美股三大股指期货短线走低，纳指期货跌幅扩大至1%

Group 1 - The U.S. stock index futures are experiencing a decline, with the Nasdaq futures dropping by 1% [1] - The S&P 500 index futures are down by 0.77% [1] - The Dow futures have decreased by 0.53% [1] Group 2 - Spot gold has seen a sharp decline, dropping over $40 and currently trading below $4130 per ounce [1]