日本40年期国债收益率上升8个基点至3.14%。

Core Point - The yield on Japan's 40-year government bonds has increased by 8 basis points to 3.14% [1] Group 1 - The rise in yield indicates a shift in investor sentiment towards long-term government debt in Japan [1] - The increase of 8 basis points reflects broader trends in the bond market and potential inflationary pressures [1]