美债收益率集体下跌，10年期美债收益率跌5.91个基点

Group 1 - The core point of the article is that U.S. Treasury yields have collectively decreased, indicating a potential shift in market sentiment towards safer assets [1] Group 2 - The 2-year Treasury yield fell by 5.10 basis points to 3.377% [1] - The 3-year Treasury yield decreased by 5.62 basis points, also settling at 3.377% [1] - The 5-year Treasury yield dropped by 6.37 basis points to 3.502% [1] - The 10-year Treasury yield declined by 5.91 basis points, reaching 3.943% [1] - The 30-year Treasury yield fell by 4.22 basis points to 4.613% [1]