In the Tokyo foreign exchange market on the 30th, the yen exchange rate fluctuated slightly around the mid-144 yen level to the dollar.
The yen exchange rate as of 5:00 pm was 144.31 to 33 sen to the dollar, an increase of 36 sen against the dollar compared to the 29th.
On the other hand, against the euro, the exchange rate was ¥141.89 to ¥141.89 to ¥93.00, a depreciation of ¥2.22 from the 29th.
The euro was 1 euro = 0.9832 to 34 dollars against the dollar.
A market insider commented, "U.S. long-term interest rates are on the rise again due to fears of inflation, and the yen is likely to sell due to the widening interest rate differential between Japan and the United States. "There was a movement to buy back the yen due to concerns about further market intervention by the Bank of Japan."