国债期货跌幅扩大，30年期主力合约跌0.15%

Group 1 - The core point of the article indicates that treasury futures have experienced a decline, with the 30-year main contract dropping by 0.15% [1] - The 10-year main contract decreased by 0.07%, reflecting a broader trend in the treasury market [1] - The 5-year main contract fell by 0.04%, while the 2-year main contract saw a minimal decline of 0.01% [1]