The US Treasury's doubled buybacks of long-dated debt should loosen financial conditions, which is bullish for US stocks and long-dated Treasuries. Buybacks rise to at least $4B per operation on 10- to 30-year paper, clearing sticky off-the-run supply from dealer balance sheets and putting a soft cap on long-end yield spikes after 30-year yields hit multi-decade highs. x.comÂ