Updated

U.S. 10-year Treasury yields spiked to a 19-year high this week, driven by stronger-than-expected services and manufacturing data that raised concerns about further Federal Reserve rate hikes. The move rippled internationally, pushing Japan's 10-year government bond yield to a 30-year high as investors reassessed global rate expectations. Rising government borrowing costs are being watched closely for their broader economic impact, including pressure on mortgage rates, corporate financing costs, and equity valuations, as commentators note the surge reflects a mix of inflation worries, fiscal concerns, and shifting Fed rate-hike expectations.