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US Equity Indexes Slump, Crude Oil Jumps on Trump's Iran Blockade Plan

US equity indexes slumped and crude oil prices surged after President Trump announced plans to reinstate a full blockade on Iran and impose a 20% toll on cargo passing through the Strait of Hormuz.

July 13, 2026
2 min read
Source: MT Newswires
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Major US equity indexes fell sharply on Monday while crude oil prices jumped after President Donald Trump announced plans to reinstate a full blockade on Iranian oil exports and impose a 20% toll on all cargo passing through the Strait of Hormuz. The development comes at a sensitive time for global markets, which are closely watching US foreign policy moves.

Details

According to media reports, President Trump plans to reimpose a complete ban on Iranian oil exports, in addition to a 20% toll on all shipments transiting the Strait of Hormuz, a vital waterway through which about 20% of global oil supplies pass. The announcement triggered a sell-off in US equities, with the Dow Jones, S&P 500, and Nasdaq all declining, while crude oil futures rose more than 5%.

Context

The moves are part of Trump's "maximum pressure" policy toward Iran, aimed at reducing its oil exports to zero. The Trump administration had previously imposed tough sanctions on Iran during his first term but later eased some. Analysts warn that imposing tolls on Hormuz cargo could significantly disrupt oil markets and fuel inflation.

What It Means for Investors

For investors in Chevron (CVX), higher oil prices could boost the company's earnings in the near term, but geopolitical tensions increase market volatility. Investors should monitor developments closely, as any further escalation could impact global supply chains and energy prices.

Frequently Asked Questions

The indexes slumped after Trump announced plans to reinstate the Iran blockade and impose a 20% toll on Hormuz cargo, raising fears of oil supply disruption and higher inflation.

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This article was rewritten in Wrqti's editorial style based on information from the original source above. Content is informational only — not investment advice.