标普500指数和纳斯达克100指数在关税裁决引发飙升后回吐涨幅。

Core Insights - The S&P 500 and Nasdaq 100 indices experienced a surge following a tariff ruling but subsequently retraced their gains [1] Group 1 - The tariff ruling led to an initial increase in market indices, indicating a positive market reaction to the news [1] - Following the initial surge, both indices saw a decline, suggesting volatility in investor sentiment [1]