The US Treasury is doubling liquidity support buybacks to at least $4 billion per operation for 10- to 30-year bonds while maintaining its $125

The US Treasury doubled long-term bond buybacks to $4 billion per issue, directly challenging Fed Chair Warsh's hands-off approach to rising

Treasury's doubled buyback program is funded by selling short-term bills. That creates no new money, but it shortens the debt and puts a fiscal hand on long-term rates.