The US Treasury Department will increase the size of a single repurchase of long-term US Treasury bonds to $6 billion, tripling this amount Golden Finance reported that on September 10, according to Reuters, the US Treasury Department will buy back up to US $6 billion of US treasury bond bonds with a maturity of 10 to 20 years on September 10, which is three times the scale of the last long-term bond repurchase operation. The US Treasury Department has previously stated that it will at least double the size of long-term bond buybacks in the coming quarter to improve market liquidity. Previously, US Treasury bonds experienced a sell-off, with 30-year bond yields reaching their highest level since 2007; After the announcement, US Treasury yields continued to rise, with the 10-year yield hitting 4.8528% at one point, the highest since November 2023.