美国财政部拍卖四个月期国债，得标利率4.220%（6月4日报4.205%），投标倍数2.96（前次为3.13）。

Group 1 - The U.S. Treasury auctioned a four-month Treasury bill with a winning yield of 4.220%, an increase from the previous rate of 4.205% reported on June 4 [1] - The bid-to-cover ratio was 2.96, which is lower than the previous auction's ratio of 3.13, indicating a decrease in demand for the securities [1]