Japan's top currency diplomat Masato Kanda said on Monday authorities will respond to any excessive moves in the currency market, warning that recent yen moves were "rapid." When asked about the chance of currency intervention, Kanda told reporters he would not rule out any options. "Regardless of the direction, it's generally not good for the economy if exchange rates move excessively in a way that deviates from economic fundamentals," Kanda said. He added that authorities were focusing on the pace of moves in the yen, rather than its levels. Investors have been selling yen after the Bank of Japan (BOJ) kept ... (full story)