[U.S. Treasury Auctions $58 Billion in 3-Year Treasury Bonds with a Winning Yield of 4.179%] According to Golden Finance, on July 8, the U.S. Treasury auctioned $58 billion in 3-year Treasury bonds with a winning yield of 4.179% (4.192% on June 9) and a bid-to-cover ratio of 2.60 (previously 2.64).