10-Year Treasury Yield Posts Biggest One-Day Drop Since March 2023

The significance here is the driver, not the size: JPMorgan frames the rally as a spillover from European sovereign debt stress and tech weakness rather than any shift in U.S. fundamentals, which matters for anyone treating falling yields as a signal on the U.S. outlook. The bank's own positioning — long-end demand from foreign private capital alongside a 10s/30s steepener recommendation — points to a curve view rather than a duration call. Whether foreign private capital keeps absorbing long-end supply, and whether European sovereign stress remains the transmission channel, is the open question.