美国国债收益率攀升，特朗普与鲍威尔的紧张关系加剧

Group 1 - The core issue is the threat to the independence of the Federal Reserve due to an investigation by the Trump administration regarding cost overruns related to the Fed's renovation project [1] - The investigation has heightened political-monetary risks, with concerns that it may set a troubling precedent for direct legal actions against sitting Fed chairs [1] - There is a rising inflation risk premium and a weakening confidence in long-term financial assets related to stable policy expectations [1] Group 2 - The 10-year Treasury yield is reported at 4.193% while the 2-year Treasury yield stands at 3.541% [1]