CurrenciesRally follows US-Japan coordination; finance minister suggests more action possibleOn July 31, Japan purchased the yen "in coordination with the U.S. Department of the Treasury," Japanese Finance Minister Satsuki Katayama said in a statement on Aug. 3. (Nikkei montage/Source photos by Ken Suzuki, Shintaro Ino and Reuters) JADA NAGUMOAugust 3, 2026 11:10 JSTUpdated on August 3, 2026 14:02 JSTTOKYO -- The yen strengthened sharply to the lower 155 range against the dollar on Monday morning, as markets remain wary of further currency interventions by Japan and the U.S.