HONG KONG, July 31 : The Japanese yen stayed under pressure on Friday after the Bank of Japan kept rates unchanged as markets tested Tokyo's resolve in the wake of a coordinated intervention to prop up the fragile currency. The dollar extended gains, to trade up 0.81 per cent at 160.760 yen, after the previou

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…

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…