美国5月外资净买入美国公债 1463亿美元，前值-408亿美元。

Core Insights - In May, foreign investors net purchased $146.3 billion in U.S. Treasury securities, a significant increase from the previous month's net selling of $40.8 billion [1] Group 1 - The net foreign investment in U.S. Treasury securities indicates a strong demand for U.S. debt instruments [1] - The reversal from negative to positive net purchases suggests a shift in investor sentiment towards U.S. government bonds [1] - This influx of capital may reflect confidence in the U.S. economy and its financial stability [1]