美元兑日元跌0.05%，报154.05日元

Group 1 - The core point of the article highlights the performance of the US dollar against the Japanese yen, noting a slight decline of 0.05% to 154.05 yen at the end of trading on October 31 [1] - In October, the US dollar has seen a cumulative increase of 4.17% against the yen, indicating a strong upward trend during the month [1] - The overall trading range for the dollar-yen pair in October was between 146.59 and 154.45 yen, showcasing significant volatility [1]