US and European bonds fall, 10-year yields hit multiyear highs

U.S. Treasurys and European government bonds sold off Sept. 28, 2026, pushing 10-year Treasury and German Bund yields — the yearly return investors demand — to multiyear highs, the Wall Street Journal reported. Higher long-term yields usually mean pricier mortgages and borrowing. My read: selling on both sides leaves borrowers with fewer places to hide.