美国财政部拍卖六周期国债，得标利率4.260%（7月15日报4.260%），投标倍数2.85（前次为2.92）。

Group 1 - The U.S. Treasury auctioned six-month Treasury bills with a winning yield of 4.260%, which is the same as the previous auction on July 15 [1] - The bid-to-cover ratio was 2.85, slightly down from the previous ratio of 2.92, indicating a decrease in demand for the securities [1]