Reuters
TOKYO (Reuters) -Japan's finance minister said on Tuesday authorities were vigilant to sharp currency market moves, as the yen continued its slump to fresh 38-year lows against the dollar, but stopped short of giving a clear intervention warning. The change in official daily commentary to reporters, in which an intervention warning has become almost customary, comes as analysts question the effectiveness of such jawboning in stopping sharp yen declines. "Foreign exchange levels are set by the market reflecting a complex mix of various factors, including inflation, current account balance, market sentiment and speculative moves," finance minister Shunichi Suzuki said in a regular post-cabinet meeting news conference.