美国财政部拍卖四周期国债，得标利率4.060%，投标倍数3.1

Group 1 - The U.S. Treasury auctioned four-week and eight-week Treasury bills with a high yield of 4.060% and 4.470% respectively [1] - The bid-to-cover ratio for the four-week bills was 3.15, while for the eight-week bills it was 2.70, indicating demand levels [1] - The auction activity was conducted a day earlier than usual due to the market closure on Thursday [1]