HONG KONG, May 28 : The dollar firmed to a one-week high on Thursday after Middle East tensions ratcheted up following fresh U.S. strikes on Iran, while the yen softened toward a level that triggered central bank intervention last month.Iran's Revolutionary Guards said they targeted a U.S. airbase after what

TOKYO, May 27 : The yen hovered close to its May low versus the U.S. dollar on Wednesday, near levels that spurred Japanese currency intervention in recent weeks, as traders…

LONDON, May 27 : The yen slid to its weakest against the U.S. dollar since late April on Wednesday, skimming levels that triggered official Japanese intervention last month, as…