美国财政部拍卖三个月期国债，得标利率4.240%（6月9日为4.250%），投标倍数2.99（前次为2.69）。拍卖六个月期国债，得标利率4.155%（6月9日为4.150%），投标倍数2.73（前次为2.74）。

Group 1 - The U.S. Treasury auctioned three-month Treasury bills with a winning yield of 4.240%, slightly down from 4.250% on June 9 [1] - The bid-to-cover ratio for the three-month bills was 2.99, an increase from the previous ratio of 2.69 [1] - The auction for six-month Treasury bills had a winning yield of 4.155%, marginally up from 4.150% on June 9 [1] Group 2 - The bid-to-cover ratio for the six-month bills was 2.73, showing a slight decrease from the previous ratio of 2.74 [1]