japans finance minister on friday reiterated concerns about the yens rapid falls and his readiness to intervene in the foreignexchange market there is no change at all in our stance that we will take appropriate action if there are any excessive moves in the currency market shunichi suzuki said at a news conference the comment came after the yen fell below the 150 threshold against the dollar on thursday for the first time since august 1990 the pair last stood around 15018 mr suzuki said that a weak yen could boost japanese companies overseas earnings but it is important for the government to ease the negative effects such as increases in prices government data released earlier friday showed that consumer prices rose 3 from a year earlier in september