美股三大股指期货盘初跌幅均扩大至近1%。

Core Viewpoint - U.S. stock index futures have seen a decline, with all three major indices experiencing a drop of nearly 1% at the start of trading [1] Group 1 - The decline in stock index futures indicates a bearish sentiment in the market [1] - The drop in futures may reflect investor concerns over economic indicators or geopolitical events [1] - The near 1% decrease suggests a significant shift in market expectations [1]