The United States dollar-Japanese yen jumps at over 300 points and loses 100 points

ON 30 JULY, THE CUMULATIVE JUMP OF THE UNITED STATES DOLLAR AGAINST THE JAPANESE YEN USD/JPY EXCEEDED 300 POINTS, NOW REPORTED AS 159.19; THE UNITED STATES DOLLAR INDEX DXY MISSED THE 100-POINT MARK, FOR THE FIRST TIME SINCE 17 JUNE, WITH A DAILY DROP OF 0.81 PER CENT. KIM XIAN