亚特兰大联储GDPNow模型预计美国第二季度GDP增速为3.8%，此前预计为4.6%。

Core Viewpoint - The Atlanta Federal Reserve's GDPNow model has revised its forecast for the U.S. second-quarter GDP growth rate to 3.8%, down from a previous estimate of 4.6% [1] Group 1 - The initial GDP growth forecast was 4.6% before the revision [1] - The updated forecast of 3.8% indicates a significant adjustment in economic expectations [1]