Weekend US-Iran Maneuvers Trigger 7% Oil Surge and Decline in US Stock Futures at Monday Open

Wallstreetcn
2026.04.20 00:24
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Within a 72-hour window over the weekend, the Strait of Hormuz shifted from 'fully open' to closed again; the US detained an Iranian cargo ship, Trump threatened to destroy Iran's infrastructure, while Tehran refused to confirm attendance at new negotiations. On Monday, Brent crude surged as high as 7.9%; S&P 500 futures fell 0.7%. US stocks that recently hit record highs face profit-taking pressure, and markets have returned to a state of high uncertainty