?????? ??? ??????? ????? ?????? ?? ??????? ????????. ??Fluctuate ??? ??????? ???? ????? ???? ??? ?????? ?? ?????? ???? ???? ??????? ??????? ???????? ????????? ???????. ????? ?????? ??? ??????? ????? ??? ???????? ???????. ???? ?? ???? ????? ??? ??????? ????? ?????? ????????. ?????? ????? ??????? ?