美国财政部拍卖六周期国债，得标利率4.260%（7月8日报4.265%），投标倍数2.92（前次为3.27）。

Core Points - The U.S. Treasury auctioned six-month Treasury bills with a winning yield of 4.260%, slightly lower than the previous auction's yield of 4.265% [1] - The bid-to-cover ratio was 2.92, indicating a decrease from the prior auction's ratio of 3.27, suggesting reduced demand for the securities [1]