华尔街在18个月里最糟糕的一周是经济问题和动荡加剧造成的。 Wall Street's worst week in 18 months caused by economic concerns and heightened volatility.

华尔街的情况显著下降,是近18个月中最糟糕的一周。 Wall Street experienced a significant decline, marking its worst week in nearly 18 months. 股票价格暴跌反映了当前经济关切和市场不确定性。 The sharp drop in stock prices reflects ongoing economic concerns and uncertainty in the market. 投资者正在应付影响经济的各种因素,导致市场参与者更加波动和谨慎。 Investors are grappling with various factors affecting the economy, leading to heightened volatility and caution among market participants.