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. That’s what had the soothsayers worried. The closely watched differential between yields on two-year and 10-year Treasury notes inverted last…