美国财政部拍卖四周期国债，得标利率4.080%（6月5日报4.170%），投标倍数3.22（前次为3.26）。拍卖八周期国债，得标利率4.380%（6月5日报4.225%），投标倍数2.67（前次为3.38）。

Group 1 - The U.S. Treasury auctioned four-year and eight-year bonds with notable bid rates and bid-to-cover ratios [1] - The four-year bond had a winning yield of 4.080%, down from 4.170% reported on June 5, with a bid-to-cover ratio of 3.22, slightly lower than the previous 3.26 [1] - The eight-year bond had a winning yield of 4.380%, an increase from 4.225% reported on June 5, with a bid-to-cover ratio of 2.67, down from the previous 3.38 [1]