美国至4月8日3年期国债竞拍-得标利率 3.784%，前值3.91%。

Core Insights - The auction for the 3-year U.S. Treasury bond held on April 8 resulted in a winning yield of 3.784%, a decrease from the previous yield of 3.91% [1] Group 1 - The winning yield of 3.784% indicates a decline in interest rates for 3-year Treasury bonds [1] - The previous yield of 3.91% reflects a higher borrowing cost prior to this auction [1]