As demand for bonds increases, so do bond prices and bondholder returns. While cash yields are certainly attractive today, fixed income assets have historically outperformed cash when the Fed stopped raising rates.Investors suddenly awoke to a wicked brew of stubborn inflation, tight labor markets, monetary tightening and seemingly endless federal borrowing. Investors maximize return over a horizon at least as long as the longest term security outstanding. However, in the late 1920s, the demand for municipal bonds plunged dramatically, while in the mid1940s, corporate bond's demand went downhill.