Japan is closely watching volatility in foreign exchange markets and will respond appropriately to rapid movements, Finance Minister Shunichi Suzuki said Friday, noting the yen has been depreciating significantly.The remarks came after Suzuki was asked if Japanese authorities have a specific level in mind when it comes to currency intervention as the yen has been weakening toward the psychologically important 150 line relative to the U.S. dollar."It's not that we have a specific line of defense and we take some sort of action if (a certain dollar-yen level) is crossed. We are constantly wat…READ FULL ARTICLE