Japan does not rule out any options in countering excessive volatility in foreign exchange markets, Finance Minister Shunichi Suzuki said Friday, adding the government is monitoring developments with a heightened sense of urgency.Speaking at a press conference amid the yen's recent weakness, Suzuki said Japan is in close communication with monetary authorities in countries such as the United States and they share the view that excessive currency volatility is undesirable.The latest verbal warning regarding the yen's depreciation against the U.S. dollar came amid market vigilance over the po…READ FULL ARTICLE