SINGAPORE, Singapore (AFP) — The dollar retreated across the board in Asia Thursday after comments from Federal Reserve boss Janet Yellen on the weak global economy suggested the central bank will not hike interest rates any time soon. The greenback also sank to late 2014 levels against the yen on the back of a flight to safe investments as markets from Asia to the Americas are buffeted by worries over the global outlook. Testifying before Congress on […]