NYSE traders
Traders work on the floor of the New York Stock Exchange.
  • The yield on the 10-year US Treasury note has fallen to its lowest level since last September. 
  • That is a warning sign that storm clouds are gathering over the US economy, says Jim Bianco. 
  • Recession fears are back in focus for investors thanks to the recent banking turmoil and weak jobs data. 

The bond market is flashing a warning sign that the US economy is heading for a rough patch, says Wall Street analyst Jim Bianco.