TOKYO -- The Japanese government and the Bank of Japan have intervened to buy the yen and sell dollars for the first time in about 24 years after the currency weakened on indications that the central bank would stick to its ultraloose monetary policy. The intervention on Thursday was confirmed by Masato Kanda, Japan's vice finance minister for international affairs. It followed a slide in the yen after BOJ Gov. Haruhiko Kuroda made bearish remarks that indicated he had no intention to raise rates any time soon. Finance Minister Shunichi Suzuki later said that the BOJ intervened to calm volatility...