US-Japan intervention helps lift yen to 155 but concerns remain

CurrenciesJGB yields rise and stocks fall as Japan finance minister's words keep traders waryOn 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

WASHINGTON (AP) -- The United States recently intervened in the currency market to support the weakening yen at the request of Japan, President Donald

History of Japan's intervention in currency markets  Reuters

LONDON, July 30 : The yen surged against the dollar on Thursday, in a move so rapid and large in its scale that it alerted investors to the prospect of intervention by Japan to prop up its weak currency. Markets have been on alert for yen-buying by Japanese authorities, who have warned of action for months as currency