Finance Minister Satsuki Katayama said Friday the Japanese government is ready to take all necessary steps to curb the yen's volatility in a statement made after the U.S. dollar rallied well above the 159-yen line amid the conflict in the Middle East."Volatility is rising" in the currency and crude oil futures markets due to speculative moves, Katayama said, adding, the weak yen against the dollar is "making an impact on people's lives and the country's economy."She stressed that she has previously mentioned the possibility of taking "decisive" action in the foreign exchange market to safeg…READ FULL ARTICLE