U.S. Navy’s actions to pressure Iran’s economy and assert control over the Strait of Hormuz lead to falling stock futures and surging oil prices

(SeaPRwire) –   Following a week where optimism regarding a potential ceasefire bolstered market sentiment and equity valuations on Wall Street, the prospect of an escalating conflict between the U.S. and Iran has resurfaced.

Diplomatic negotiations between the two nations concluded without an agreement over the weekend, leading President Donald Trump to declare that a naval blockade will be implemented at the Strait of Hormuz.

This measure is intended to disrupt Iranian oil exports, which have remained active, even as Tehran has restricted global supplies by intermittently obstructing the strait through the use of drone and missile strikes.

Futures linked to the Dow Jones Industrial Average declined by 531 points, or 1.10%. S&P 500 futures retreated by 1.15%, while Nasdaq futures saw a decrease of 1.32%.

U.S. oil futures surged 8.63% to reach $104.90 per barrel, and Brent crude rose 8.04% to $102.85. Conversely, gold prices dropped 2.28% to $4,678 per ounce.

The U.S. dollar strengthened by 0.49% against the euro and 0.32% against the yen. The yield on the 10-year Treasury note remained steady at 4.317%.

After an initial six-week period of the conflict defined by aerial and missile strikes, the next phase is set to prioritize naval operations. The U.S. is pursuing a dual-track strategy aimed at both crippling Iran’s primary economic lifeline and challenging its dominance over the strait.

U.S. Central Command announced that the blockade of the Hormuz passage will commence Monday at 10 am ET. It noted that the enforcement will be selective, despite President Trump’s earlier insistence that the waterway must be accessible to all or none at all.

“The blockade will be enforced impartially against vessels of all nations entering or departing Iranian ports and coastal areas, including all Iranian ports on the Arabian Gulf and Gulf of Oman,” the statement clarified. “CENTCOM forces will not impede freedom of navigation for vessels transiting the Strait of Hormuz to and from non-Iranian ports.”

Cutting off Iran’s oil revenue is expected to further destabilize its struggling economy and deprive the Islamic Revolutionary Guard Corps of essential funding.

In preparation, the Navy deployed two destroyers through the strait on Saturday to initiate mine-clearing efforts. Central Command stated it is “establishing a new passage” to ensure the maritime industry can maintain the free flow of commerce.

The IRGC challenged the warships, ordering them to withdraw. Reports indicate a drone was launched at the vessels, which subsequently destroyed it. On Sunday, the IRGC vowed a “strong and forceful response” to any warships approaching the Strait of Hormuz.

Prior to this weekend, U.S. naval vessels had avoided the area, with officials previously characterizing the strait as an Iranian “kill box” saturated with threats such as anti-ship missiles, drones, fast-attack craft, and mines.

The inability to secure the strait has caused oil prices to soar, with Tehran’s capacity to deter tanker traffic serving as its primary leverage against the U.S.

However, if the Navy succeeds in establishing a secure alternative route through the strait that mitigates the risk of Iranian attacks, the regime stands to lose its most significant strategic advantage.

“One of the things that commercial ships were waiting to see was whether or not this strait was clear, and sailing two destroyers in is a big one,” noted Salvatore Mercogliano, a professor at Campbell University specializing in military and maritime history, during his podcast.