Aside from helping Japan as a ally in Asia, the intervention would help the US address concerns over extraordinary weakness in the yen that offsets the boost from Trump's tariffs, analysts say.

Japan and the U.S. may unveil a joint policy next week to defend the yen after record interventions in April and May.

Market sources earlier reported rounds of yen-buying in the market by both nations, the first such joint intervention since 2011. Read more at straitstimes.com. Read more at…