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US bond yields spike after Bessent increases buybacks

Sep 9, 2026, 6:30pm EDT
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US Treasury Secretary Scott Bessent
Evelyn Hockstein/Reuters

US long-term bond yields spiked to three-year highs Wednesday after Treasury Secretary Scott Bessent’s bond buybacks failed to impress markets.

Borrowing costs leapt higher in part because investors expected more firepower, a Deutsche Bank strategist told Bloomberg: “It’s like Treasury created this monster that it now has to keep feeding.”

Bessent’s smaller-than-expected move suggests he’s accepted a “limited role” for buybacks, Evercore ISI analysts wrote, which aren’t likely to reverse yields without addressing the “direction of the debt and deficit,” a Société Générale researcher said. “Everything else is cosmetic.”

Bessent is juggling multiple interventions, daring traders to take the opposite side of his yen purchases. “I have asymmetric information. I am the house now,” he said Tuesday.

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