Her expected remarks to reporters follow what market sources say were rounds of ‌yen purchases by the Japanese and ⁠U.S. Japan may have sold as much as $58.97 billion to buy yen when ​it ​intervened in New York markets on Thursday, Bank of ​Japan data indicated, followed by another ‌suspected foray into the market on Friday. In a sign of broader policy ‌coordination, South Korea stepped in to buy ​its won currency on Thursday. The ​dollar ended Friday trading around 157.60 yen, having retreated from near 164 yen, the highest since 1986, which it hit earlier in the week. Japan intervened in April and ​May, buying yen, causing only ‌a brief rebound.