Asian stock markets plunge amid Trump’s ultimatum on Iran

Stock markets across Asia declined sharply following Trump's ultimatum directed at Iran, which has threatened attacks on regional energy infrastructure. The selloff hit major indexes in Japan, South Korea, and Hong Kong, reflecting investor concerns about potential geopolitical escalation and disruption to oil supplies in one of the world's most economically vital regions. Energy stocks and broader market sentiment have been particularly sensitive to U.S.-Iran tensions, given the region's dependence on stable crude supplies and the historical volatility such confrontations have triggered. The market reaction underscores how quickly diplomatic friction between Washington and Tehran can reverberate through global financial markets. Iran's threats against regional energy facilities amplify fears of supply disruptions that could drive oil prices higher and ripple through manufacturing and transportation sectors across Asia.