Equities in Asia whipsawed on Thursday as investors parsed a weakening yen and the prospect of a further US rate cut next month.

Sake exports from Japan total more than 41 billion yen ($265 million) a year, with the biggest destinations being the U.S.

The current account measures exports and imports, as well as other cross-border flows including salaries and investment returns. Japan posted a record surplus of ¥12.2 trillion in primary income in ...