???? ??? ?? ???? ???? ???? ?? ??? ??? ?? ????? ?? ?????? ???? ?????? ??????? ???? ???? ????? ?? ???? ?? ?? ?? ???? ???? ????? ?? ??? ???, ???? ?? ??? ???? ?? ??? ???? ???? ????????? (???? ??? ??? ????????? ??????) As a hedge fund supervisor while in the nineteen eighties and ‘90s, Joel Greenblatt produced annualized returns of about 50 percent.