?? ??? ?? ???????? ???? ???? ???? ?????? ???? ???? ??? ?? ?? ?? ??? ??? ???? ?????? ???? ??????? ?? ???? ??? ?? ????? ?? ??? ?????? ??????? ????? ???? ??????? ?? ????? ???? ????? ???? ???????? ????? ?? ??? ? ???? ?????? ??? ?????? ??? ?? The heritage of finance is strewn with businesses and sectors, like dotcom stocks in 2000, that inflate in sp