5月28日电，日本30年期国债收益率上涨10个基点，此前40年期国债招标需求疲软。

Core Viewpoint - The yield on Japan's 30-year government bonds increased by 10 basis points due to weak demand in the 40-year bond auction [1] Group 1 - Japan's 30-year government bond yield rose by 10 basis points [1] - The increase in yield is attributed to a lack of demand in the recent 40-year bond auction [1]