Balanced fund An investment company that invests in stocks and bonds. The same as a balanced mutual fund. Balanced mutual fund This is a fund that buys common stock, preferred stock and bonds. The same as a balanced fund. Balloon maturity Any large principal payment due at maturity for a bond or loan with or without a a sinking fund requirement. BAN (Bank anticipation notes) Notes issued by states and municipalities to obtain interim financing for projects that will eventually be funded long term through the sale of a bond issue. Bane In the words of Warren Buffet, Bill Bane Sr., is,.