[U.S. Treasury Yields Hit Highest Since September Last Year] Golden Finance reports that medium- and long-term U.S. Treasury yields surged due to the global market impact of a sharp decline in Japan's bond market. The 30-year U.S. Treasury yield rose by more than 0.09 percentage points, exceeding 4.93%. The 10-year U.S. Treasury yield approached 4.3%. Data shows that both yields reached their highest intraday levels since September 3 last year.