Japanese Finance Minister Shunichi Suzuki said Friday the government is closely monitoring developments in the foreign exchange market after the yen rose sharply against the U.S. dollar on market speculation of a policy change by the Bank of Japan.Suzuki declined to say how Japanese authorities would respond, as his comments could sway forex markets.The yen rose sharply to 141.60 per U.S. dollar, the highest in four months, overnight after BOJ chief Kazuo Ueda said Thursday he expects a "challenging" time toward next year, a remark interpreted by financial markets to mean the BOJ is set to …READ FULL ARTICLE