Japan has appointed Atsushi Mimura as its new top foreign exchange diplomat amid the yen's plunge to a 38-year low against the dollar, sparking anticipation of imminent market intervention. Mimura, a veteran in financial regulation, replaces Masato Kanda, who recently led record-breaking yen-buying efforts. As the yen slid to ¥161 per dollar, Finance Minister Shunichi Suzuki expressed deep concern over rapid currency moves and stressed the urgency of maintaining confidence in the yen. Mimura's ...