Treasury Yields Spike Above 5.1% in Biggest Jump in Over a Year

The benchmark U.S. Treasury yield climbed above 5.1% on Friday, marking its largest single-day increase in more than a year. The yield is the interest rate the U.S. government pays to borrow money. It serves as a key reference point for borrowing costs worldwide, influencing everything from mortgage rates to corporate loans. The sharp rise signals that investors are demanding higher returns to hold government debt.