国债期货午盘多数下跌，30年期主力合约跌0.06%

Group 1 - The core viewpoint of the news is that the bond futures market experienced mixed performance, with the 30-year main contract declining while the 10-year main contract saw a slight increase [1] - The 30-year main contract fell by 0.06%, indicating a downward trend in long-term bond expectations [1] - The 10-year main contract increased by 0.01%, suggesting a slight positive sentiment in the mid-term bond market [1] - The 5-year main contract decreased by 0.02%, reflecting a minor decline in investor confidence for that duration [1] - The 2-year main contract also saw a decrease of 0.01%, indicating a similar trend in short-term bonds [1]