美国财政部：将提高10年期至20年期、20年期至30年期债券的回购频率，从目前的每季度两次提高至每季度四次。

Group 1 - The U.S. Treasury Department will increase the repurchase frequency of 10 to 20-year and 20 to 30-year bonds from two times per quarter to four times per quarter [1]