NEW YORK, July 30 : The yen rose sharply against the dollar on Thursday, in a move analysts said bore the hallmarks of official intervention by Japanese authorities to prop up the battered currency.The dollar fell by as much as 3 per cent to 158.34 , down from 40-year highs hit earlier this week.It was

July 30 : The dollar sank against the Japanese yen on Thursday with traders alert to the possibility of intervention from Japan to prop up its stubbornly weak currency. The dollar…

Having collapsed to its weakest relative to the dollar in 40 years...

Japanese currency spikes to highest level since May after prolonged decline

By Jessica Fleetham and Megumi Fujikawa