30年期国债期货主力合约跌幅扩大至0.75%

Group 1 - The core viewpoint of the article indicates a significant decline in government bond futures, particularly the 30-year contract which has dropped by 0.75% [1] - The 10-year government bond futures also experienced a decrease of 0.23% [1] - Additionally, the 5-year and 2-year government bond futures saw declines of 0.15% and 0.05% respectively [1]