日本40年期国债的收益率上涨9个基点，达到3.415%。

Core Insights - The yield on Japan's 40-year government bonds has increased by 9 basis points, reaching 3.415% [1] Group 1 - The rise in yield indicates a shift in investor sentiment towards long-term government debt in Japan [1] - The increase in yield may reflect expectations of higher inflation or changes in monetary policy [1] - This movement in bond yields could impact borrowing costs and investment strategies within the financial sector [1]