国债期货收盘，30年期主力合约涨0.18%

Group 1 - The core viewpoint of the news is the performance of government bond futures on February 2, with mixed results across different maturities [1] - The 30-year main contract increased by 0.18%, indicating a rise in long-term bond prices [1] - The 10-year main contract decreased by 0.03%, suggesting a slight decline in mid-term bond prices [1] - The 5-year main contract fell by 0.02%, reflecting a minor drop in prices for this maturity [1] - The 2-year main contract remained essentially unchanged, indicating stability in short-term bond prices [1]