The rapid rise of USD/JPY is causing alarm in Japan as a key level has been overcome. This increase in the exchange rate between the US dollar and the Japanese yen is concerning for Japan, as it could potentially have negative impacts on the country’s economy. Investors and policymakers are closely monitoring the situation as the exchange rate continues to climb. It is important for Japan to keep a close eye on USD/JPY and take appropriate measures to mitigate any potential risks that may arise from this rapid rise.