COMMENTARY: US yield curve sends stark warning - consumers can’t handle rate hikes ↧ ↧ COMMENTARY: US yield curve sends stark warning - consumers can’t... The U.S. bond market rout cranked up a gear last week, amid sticky inflation and firming expectations of a Federal Reserve rate hike, sending yields surging to multi-year highs. This grabbed the headlines, but the more telling story may be the shape of the yield curve.