NEW YORK, April 29 (Reuters) - Japan's currency surged as much as 5 yen against the dollar from a fresh 34-year low hit earlier on Monday, with traders citing yen-buying intervention by Japanese authorities for the first time in 18 months.The outsized move kicked off what could be a busy week for currency traders, with the U.S. Federal Reserve capping off its two-day policy meeting on Wednesday,..
