Japan is closely watching foreign exchange moves and will take "all necessary steps," Finance Minister Shunichi Suzuki said Monday, as the yen fell to a fresh 34-year low versus the U.S. dollar.The yen, which has been on a downward trend, dropped to around 153.70 in Tokyo, a level unseen since 1990, though caution is persisting over possible market intervention by Japanese authorities to slow the currency's decline.The wide interest rate differential between Japan and the United States has been blamed for the yen's fall. A spike in tensions in the Middle East following Iran's retaliatory at…READ FULL ARTICLE