Group 1 - The core point of the news is the performance of government bond futures on December 30, with mixed results across different maturities [1] Group 2 - The 30-year main contract increased by 0.17% [1] - The 10-year main contract decreased by 0.02% [1] - The 5-year main contract saw a slight decline of 0.01% [1] - The 2-year main contract experienced a marginal increase of 0.01% [1]

Group 1 - The core viewpoint of the news is the performance of government bond futures, indicating a positive trend in the market with increases across various maturities [1]. Group 2 - The 30-year main contract rose by 0.30% [1] - The 10-year main contract increased by 0.06% [1] - The 5-year main contract also saw a rise of 0.06% [1] - The 2-year main contract experienced a slight increase of 0.04% [1]