Iran conflict pushes US borrowing costs to 18‑month highs
Investors are fleeing US debt as the Iran war raises inflation fears, sending two-year Treasury yields to about 3.9% and the 10-year to around 4.38%, the largest moves this year; a $69 billion two-year auction drew weak demand while futures price in fewer Fed rate cuts for longer, with mortgage rates climbing toward 6.3% and borrowing costs rising globally.