Equities dropped sharply in morning trading on Wednesday after President Trump stated that the ceasefire with Iran has ended and called talks with the country unproductive.

Crude prices climbed 6 percent amid fears that renewed fighting could disrupt petroleum shipments through the Strait of Hormuz.

The comments followed strikes by Iran's Revolutionary Guard on three vessels in the waterway and subsequent American responses. Brent crude gained 6.3 percent to reach 78.80 dollars per barrel, and West Texas Intermediate advanced 6.4 percent to 75 dollars.

Prior to the increase, West Texas Intermediate had slipped under 70 dollars, returning close to prices seen before the Iran conflict began in late February.

The Dow Jones Industrial Average lost 479 points, equal to 0.9 percent, settling at 52,446. The S and P 500 eased 0.4 percent while the Nasdaq Composite fell 0.2 percent.

The truce between Washington and Tehran was always delicate, and occasional flare-ups were expected, noted Ryan Sweet, chief global economist at Oxford Economics. The key issue is whether this marks a minor setback or signals deeper trouble ahead.

Rising energy costs may add to inflation pressures through higher fuel and shipping expenses, which could lead the Federal Reserve to maintain elevated rates for an extended period.

Should the agreement collapse, the effects would extend beyond energy markets to strain technology supply lines in Asia, encourage tighter monetary policy, and potentially influence upcoming congressional elections, Sweet added.

Signaling heightened tensions, the administration on Tuesday canceled a permit allowing Iranian oil exports, a vital income source, following the tanker incidents.

The Treasury clarified that General License X, granted two weeks earlier under a temporary accord, would be replaced by a more limited exemption.

Some analysts anticipate the violence will ease without full escalation.

Equities fell around 4 a.m. Eastern Time after the ceasefire announcement, yet the White House appears hesitant to resume large-scale military action, making a renewed accord more probable than renewed war, according to Vital Knowledge analyst Adam Crisafulli.

Alex Kuptsikevich of FxPro observed that Trump has signaled preference for diplomatic solutions and that energy markets have adjusted to lower volumes through the Strait of Hormuz by using other routes and reduced global demand.