Post-Fed calm in Treasuries masks a raging bulls-bears debate

New York

THE US Federal Reserve's rate hike is in the rear-view mirror, Treasuries volatility is tumbling and the consensus on Wall Street is for 10-year yields to tread water through June.

Yet beneath that apparent calm, the range of forecasts in the latest Bloomberg survey underscores that a debate is simmering over whether long-term yields are poised to enter a bear market or just keep bumping around in months-old ranges.