The Bank of Japan’s most anticipated policy announcement in years left investors underwhelmed, sparking a surge in the yen and sending government bonds and emerging-market stocks lower. Japan’s currency rallied against all of its 31 major peers after the BOJ kept its government-bond buying target and policy interest rate unchanged, opting instead to increase exchange-traded fund purchases.
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Stacks of Iranian rials and US dollars sit on a table in Tehran, Iran, on August 6, 2025. (Getty Images)