7月1日电，美国10年期国债收益率降至五月初以来最低水平，最新下跌4.7个基点至4.235%。

Group 1 - The core point of the article is that the yield on the US 10-year Treasury bond has dropped to its lowest level since early May, decreasing by 4.7 basis points to 4.235% [1]