Wall Street Cheers Prospect of an End to the Iran War

Summary of Wall Street Cheers Prospect of an End to the Iran War

by The Wall Street Journal

13mMarch 31, 2026

Overview of Wall Street Cheers Prospect of an End to the Iran War

This WSJ PM edition summarizes how hopes for an end to the Iran conflict sparked a strong market rally despite a poor quarter, and covers related business and policy stories: tariff-refund delays that threaten small businesses, major corporate deals and layoffs, supply disruptions (notably helium), and a string of political and legal developments.

Market snapshot and main drivers

  • Markets: Best single-day gains since May — Nasdaq +3.8%, S&P 500 +2.9%, Dow +2.5 (about +1,100 points). Still the worst quarter in nearly four years.
  • Trigger: Investor optimism that the Iran war could end soon (reports President Trump signaled willingness to de-escalate without fully reopening the Strait of Hormuz). Markets had been down earlier in March on fears of prolonged conflict and higher oil prices.
  • Oil: Brent crude surged ~63% in March — its largest one-month percentage gain on record — trading near $104/barrel during the report.
  • Sector winners: Energy stocks (oil & gas) were the primary beneficiaries. Domestic manufacturers and commodity-linked companies (e.g., Dow Inc.) outperformed as investors priced in a relative U.S. advantage versus firms more exposed to Middle East oil dependence.

What investors will watch next

  • Whether diplomatic progress or military de-escalation restores energy flows (Strait of Hormuz) — progress could sustain the rally; continued conflict could reverse gains rapidly.
  • Public statements from U.S. and Iranian officials, and supply-chain signals (oil and commodity shipments).

Corporate and financial headlines

  • Oracle: Began layoffs in the U.S. and India; internal metrics suggest potentially thousands of roles cut. Oracle is expanding data-center investments for AI.
  • Unilever + McCormick deal: A cash-and-stock combination creating a grocery “sauces and spices” giant valued at over $65 billion (including debt). McCormick expects the combined company to generate ~ $20 billion in annual revenue. McCormick CEO Brendan Foley: “flavor is the best place to be.”
  • JPMorgan “American Dream” initiative: Aims to add 3 million small-business customers (on top of 7M existing) and lend up to $80 billion over 10 years; broad details only so far.

Tariff refunds: timeline, risks, and business impact

  • Background: Supreme Court ruled on Feb. 20 that former President Trump’s global tariffs were invalid. The federal government collected tariffs across millions of shipments.
  • Scale: ~330,000 importers, 53 million shipments, and about $166 billion in tariffs involved.
  • Timing: Best-case scenario — refunds could start in several months, not immediately. Worst-case — many more months of delay. The government says it can repay but logistics and legal complexity are slowing the process.
  • Business effects:
    • Small importers face existential cash-flow problems while waiting. Example: Endless Pens paid $175,000 in tariffs and estimates 3–4 months of runway without refunds.
    • Legal strategy split: large firms (Costco, CVS, Nintendo, Pandora) have sued; thousands of mostly smaller firms have also filed in the Court of International Trade. Some small businesses choose not to sue because litigation costs may outweigh benefits or because of risk of clogging courts.
  • Practical takeaway: Uncertainty about timing and the administrative burden of reclaiming refunds are pushing some companies toward litigation, while others risk insolvency by waiting.

Geopolitical and supply-chain notes

  • Iran conflict: Defense Secretary Pete Hegseth said coming days could be decisive and stated the U.S. has multiple options (including ground forces) but hopes negotiations or other approaches avoid them. Colorful quoted line: “we would… negotiate with bombs until Iran makes a deal.”
  • Helium shortage: War-related disruptions are cutting into global helium supplies (about one-third of supply comes from Qatar). Helium is critical for cooling semiconductor production equipment and military/drone components; suppliers are warning of supply cuts and surcharges, though immediate impacts at chipmakers and defense firms may be limited.
  • Cuba oil: A Russian tanker with 730,000 barrels docked in Cuba after the U.S. allowed the shipment, easing some fuel shortages. The administration is deciding future shipments case-by-case.
  • Domestic legal/political moves:
    • Federal judge halted construction on a proposed $400 million White House ballroom pending congressional approval.
    • Supreme Court (8–1) revived a challenge to Colorado’s ban on conversion therapy for minors, ruling the law likely infringes First Amendment protections (Justice Gorsuch writing for the majority; Justice Ketanji Brown Jackson dissented).

Notable quotes

  • Hannah Aaron-Lang (WSJ markets): Markets rallied on renewed hope the Iran conflict might end; prior gains had been driven by official comments.
  • Brendan Foley (McCormick CEO): “Flavor is the best place to be.”
  • Defense Secretary Pete Hegseth: “We would… negotiate with bombs until Iran makes a deal.”
  • Justice Neil Gorsuch (majority opinion): Colorado’s law “censors speech based on viewpoint” by allowing pro-transition counseling while banning therapy aimed at helping minors reject transgender identity.

Bottom line / Actionable points

  • Investors: Monitor Iran-related developments and oil flow indicators; market sentiment is highly sensitive to official comments and diplomatic signals.
  • Small businesses/importers: Assess cash runway and weigh litigation costs vs. likely refund timelines; consider contingency plans in case refunds are delayed for many months.
  • Supply-chain managers (semiconductors/defense): Prepare for potential helium supply constraints and pricing/surcharge impacts.
  • Corporate watchers: Expect more M&A/strategic consolidation in consumer goods (as shown by Unilever–McCormick) and continued tech-sector restructuring tied to AI investments (Oracle).

Produced by The Wall Street Journal PM team; original episode date: Tuesday, March 31.