Japan\'s current account surplus dropped 40.6 percent in July due to an expansion in its trade deficit, official data showed Monday. The surplus, the broadest measure of external trade, stood at 625.4 billion yen ($8.0 billion), the finance ministry said, as exports to Europe and Asian neighbours tumbled, while energy resource prices jumped. Economists surveyed by Dow Jones Newswires and the Nikkei daily had estimated a surplus of 438.2 billion yen.