The increasing likelihood of a second Trump administration has helped spark a steep selloff in U.S. government bonds, with investors betting policies including tax cuts could drive up deficits and inflation.
Treasury yields, which rise when bond prices fall, started surging June 28, a day after a debate between President Biden and former President Donald Trump that Wall Street viewed as delivering a major blow to Biden’s re-election chances. A poor showing from Biden could also help tip control of Congress to Republicans, creating more space for their budget priorities.
“Something obviously changed pretty quickly on Friday,” said Dan Mulholland, head of rates trading and sales at Crews & Associates. Investors, he said, are assessing “how we’re going to move forward after the Thursday debate, and I think there have been some pretty big bets that…


