On Tuesday (February 11), at the New York close, the yield on the 10-year U.S. Treasury rose by 4.05 basis points to 4.5373%, remaining in an upward trend throughout the day, with a trading range of 4.5029%-4.5454%. Federal Reserve Chairman Jerome Powell refreshed the day's high at the beginning of the U.S. Senate hearing at 23:00 Beijing time. The yield on the 2-year U.S. Treasury rose by 1.27 basis points to 4.2854%, fluctuating narrowly within the range of 4.2728%-4.2979% before reaching a new daily high at the start of Powell's Q&A session. The yield on the 3-year U.S. Treasury rose by 1.44 basis points, the 5-year U.S. Treasury yield rose by 3.01 basis points, and the 7-year U.S. Treasury yield rose by 3.43 basis points. The yield on the 20-year U.S. Treasury rose by 4.37 basis points, and the 30-year U.S. Treasury yield rose by 4.34 basis points. The spread between the 2-year and 10-year U.S. Treasury yields increased by 2.786 basis points to +24.568 basis points