国债期货午后跌幅扩大，30年期主力合约跌0.34%

Group 1 - The core viewpoint of the article indicates that U.S. Treasury futures experienced a decline in the afternoon trading session on September 24, with the 30-year main contract dropping by 0.34% [1] - The 10-year main contract fell by 0.07%, while the 5-year main contract decreased by 0.06% [1] - The 2-year main contract saw a slight decline of 0.01% [1]