10年期美债收益率周四跌约1.8个基点，两年期美债收益率7月份累涨将近22个基点

Group 1 - The core point of the article highlights the fluctuations in U.S. Treasury yields, with the 10-year benchmark yield decreasing by 1.79 basis points to 4.3521% at the end of trading on July 31, while experiencing a cumulative increase of 12.41 basis points in July [1] - The 10-year yield rose from 4.1852% to a peak of 4.4933% between July 1 and July 16, followed by a partial retracement and a high-level oscillation since July 7 [1] - The two-year Treasury yield fell by 0.20 basis points to 3.9386%, with a cumulative increase of 21.93 basis points in July, showing significant movement on July 3 and subsequent high-level fluctuations within the range of 3.6946% to 3.9587% [1]