Japan is ready to take "decisive" steps against volatile yen movements, Finance Minister Shunichi Suzuki said Thursday shortly after the currency slid past the 150 mark to the U.S. dollar for the first time since 1990, in his strongest warning yet of intervention.The government is monitoring developments in the foreign exchange market "meticulously" with a high sense of vigilance, Suzuki told reporters, saying that excessive and rapid yen movements driven by speculators cannot be tolerated."We are focused on volatility, and there is no change at all in our stance that we will take decisive …READ FULL ARTICLE