“Why did Japanese Yen pairs plunge for the last few months? Japan, this country is idle. While their manga, anime and all tentacled-wise sexual fantasies are really strong, the same do not apply on currency footing. Japan was like a wet sheet on US dollar hand. They follow what US dollar do. Simple conclusion here”. 

http://streetrader.com/2016/04/10/weekly-outlook-volatility-is-knocking/