In the Tokyo foreign exchange market on the 4th, the yen exchange rate fluctuated slightly in the mid to high 144 yen range to the US dollar.

A market insider said, "When the dollar approaches 145 yen, there is a movement to buy back the yen due to concerns about further market intervention by the government and the Bank of Japan, and the price movement is small. Although the yen has appreciated somewhat in overseas markets. , the impact of North Korea's ballistic missile launch is limited so far."