Japan spent 5.92 trillion yen ($41 billion) on April 29 to shore up its currency against the U.S. dollar, its largest-ever single yen-buying intervention, followed by another 3.87 trillion yen two days later, government data showed Wednesday.It is the first time that official data has confirmed the dates and amounts of yen-buying, dollar-selling operations by Japanese authorities between April and June. The total amount spent during that period came to 9.79 trillion yen, a quarterly record for yen-buying.The yen's rapid weakening had raised alarm among Japanese authorities who at the time t…READ FULL ARTICLE