Despite the strengthening of the yen against the US dollar, Japan's foreign exchange chief Jun Mimura said that he has always defended the yen. Mimura told reporters in Tokyo that he has maintained close ties with the US authorities since the G20 summit earlier this week.

Despite the strengthening of the yen against the US dollar, Japan's foreign exchange chief Jun Mimura said that he has always defended the yen. Mimura told reporters in Tokyo that he has maintained close ties with the US authorities since the G20 summit earlier this week.