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Trump, Iran and the White House: A standoff in the Strait of Hormuz meets a market rebound

Politics ✍️ Philippe Martin 🕒 2026-03-23 23:13 🔥 Views: 2

He didn't just talk about Chuck Norris or the spring birdsong on the South Lawn. This morning, alongside Secretary of State Marco Rubio, Donald Trump laid his cards on the table. Addressing reporters, the US President confirmed what many had feared: the standoff with Iran in the Strait of Hormuz has entered a phase where every move is a high-stakes gamble. And, as is often the case with him, the consequences immediately transcended diplomacy, hitting investors squarely in the hip pocket.

Donald Trump addresses the press with Marco Rubio on the White House South Lawn

The Strait of Hormuz: The flashpoint

It's no secret: the Strait of Hormuz is the world economy's most vulnerable artery. By threatening to shut down the passage entirely, Tehran lit the fuse. But Trump's response was more drastic than expected. Far from the usual boilerplate statements, listening to his remarks felt like watching a countdown. The message was clear: any disruption to navigation would be considered an act of war. This is heavy stuff, and the market got the message in minutes.

What's fascinating is how quickly this kind of tension translates into numbers. As soon as Donald Trump's statement started circulating on trading floors, the oil price plunged. In fact, it dipped back below $100 a barrel in the afternoon. A paradox? Not really. This isn't a drop out of fear; it's a drop based on anticipation. Traders are betting that an open confrontation would ultimately force both sides to the negotiating table to resolve the situation. I've seen this play out dozens of times: when the rhetoric gets too bellicose, the oil market does the opposite of what you'd expect. It panics in the short term but bets on calm in the medium term.

The CAC 40's tightrope act

Meanwhile, in Paris, the stock exchange put on a breathtaking show. The CAC 40, which was weighed down by geopolitical fears early in the morning, completely reversed course during the session. We're talking about wiping out 2% of losses in a few hours to close nearly 2% higher. It was a masterstroke. As soon as news of very productive talks with Iran leaked, I knew algorithms would go into overdrive. It's the Trump paradox: he creates verbal chaos only to set the stage for a financial calm.

  • Oil: A sharp drop below $100 a barrel following Trump's announcements, as traders bet on a quick resolution to the crisis.
  • CAC 40: A spectacular rebound, erasing 2% of losses to close strongly higher, driven by investor relief.
  • US Dollar: Slight pressure on the greenback, but behind-the-scenes signals suggest diplomacy is back on track.

The Trump family in the media storm

In this whirlwind, it's hard to miss the other family members making moves. Melania Trump remains low-key, but her role in her husband's public appearances is under more scrutiny than ever, particularly in shaping the image of a president under pressure. On the other side, Ivanka Trump has been spotted several times in the corridors of power recently, likely acting as a go-between on less contentious issues. As for Barron Trump, usually kept out of the spotlight, American tabloids see him as a source of stability within the family — a detail that matters when everything else is in flux.

What struck me was the administration's ability to synchronise its announcements. While Donald Trump was addressing journalists on the South Lawn, his economic advisers were quietly spreading the word that discussions with Iran were already underway and progressing well. It's an old tactic, but it still works: you flex your fists in public, you shake hands in private. The result? The market took away the second message.

So, where to from here? While military tensions remain very real — the Pentagon has reinforced its presence in the region — the signal sent to markets is one of intent not to let the conflict escalate economically. This kind of balancing act is Trump's preferred playground. He's walking a tightrope, but for now, he's not falling. And as long as the CAC 40 follows this logic, Paris can breathe easy.