As yields on two-year Treasury notes last week moved above yields on 10-year notes, Wall Street analysts sent up warning flares.
Economists -- like ancient soothsayers divining the future -- track how interest rates of different maturities vary for signals about the outlook for growth.
When short-term interest rates are higher than long-term interest rates, a phenomenon Wall Street mavens call an inverted yield curve, it is sometimes a signal of recession.