CurrenciesInterest rate spread, bigger market moves appeal more than sluggish greenbackAustralia has been raising interest rates, and its volatility against the yen gives traders more potential profit opportunities. © ReutersMAO KATO, HAYATE KOIKE and MASASHIGE TANIGUCHIJune 3, 2026 02:28 JSTTOKYO -- Yen-U.S. dollar trading at major forex trading firms dropped nearly 40% on the year in April as retail investors looked to more appealing trades against the Japanese currency, such as the Australian dollar and euro.