
President Donald Trump said the U.S. fired on and seized an Iranian-flagged cargo ship in the Gulf of Oman, triggering a sharp early-Monday drop in Dow futures of more than 350 points. The incident pushed oil higher and intensified market fears of supply disruption and a potential Strait of Hormuz blockade, amplifying volatility after a week of swings around U.S.-Iran developments. The move followed earlier market turmoil tied to blockade orders and conditional Gulf shipping assurances, underscoring how rapidly geopolitical headlines are driving trading.
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