日元在日本央行行长讲话期间走强，美元兑日元USD/JPY短线跌约20点，最新报142.45。

Core Viewpoint - The Japanese yen strengthened during the speech of the Bank of Japan's governor, leading to a short-term decline in the USD/JPY exchange rate by approximately 20 points, with the latest rate reported at 142.45 [1] Group 1 - The yen's appreciation occurred in response to the Bank of Japan's governor's remarks [1] - The USD/JPY exchange rate experienced a short-term drop of about 20 points [1] - The current exchange rate stands at 142.45 [1]