Tickmill Group分析师帕特里克•芒内利：在穆迪将美国政府的信用评级从Aaa下调至Aa1后，美国国债收益率曲线变得陡峭，理由是预算赤字不断扩大。

Core Insights - Moody's downgraded the U.S. government's credit rating from Aaa to Aa1, leading to a steepening of the U.S. Treasury yield curve due to the expanding budget deficit [1] Group 1 - The downgrade by Moody's reflects concerns over the increasing budget deficit in the U.S. [1] - Following the downgrade, the U.S. Treasury yield curve has become steeper, indicating rising yields on longer-term debt [1]