On October 24, the Bank of Japan announced its fifth extraordinary purchase of government bonds since adjusting its yield curve control program at the end of July. Despite these efforts, Japan`s 10-year bond yield continued to hit new highs this month, adding to the global stock market decline. "However, there is still speculation about the Bank of Japan's policy adjustments, making it difficult to recommend bond purchases. " The Bank of Japan's ultra-easy policy also contributed to the yen's depreciation, making it the weakest G10 currency this year.