Custodian Bank Bank assigned by a mutual fund to act as its custodian. The bank performs clerical functions and holds the fund's cash and securities. The total amount of credit extended by New York Stock Exchange member firms to finance customers' security purchases. Margin CV Abbreviation used in newspaper listings of stocks and bonds to denote a convertible security. The stock's price will rise when the economy turns up, and will fall when the economy turns down.
Examples are automobiles and paper stocks.
Non-cyclical stocks, such as stocks within the food and hospital industries, are not directly affected by economic changes.