Japan’s Norinchukin Bank is considering a capital increase of about 1 trillion yen ($6.4 billion) to bolster its financial standing that is undermined by unrealized losses from its holdings of overseas bonds, including U.S. Treasuries, a source familiar with the matter said Sunday. Norinchukin will discuss the matter with its main investors such as the Japan Agricultural Cooperatives, as it could post a net loss of around 500 billion yen in the year ending March 2025 due to the disposal of the unrealized losses. The bank is likely to use subordinated loans, which have a lower repayment priorit…