惠誉评级：政策风险给美国信用前景蒙上阴影。

Core Viewpoint - Fitch Ratings indicates that policy risks are casting a shadow over the credit outlook for the United States [1] Group 1 - The U.S. credit outlook is under pressure due to increasing policy risks, which may lead to potential downgrades in credit ratings [1] - The ongoing political polarization and uncertainty surrounding fiscal policies are contributing factors to the deteriorating credit environment [1] - Fitch highlights that the lack of a coherent fiscal strategy could undermine investor confidence and economic stability [1]