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Monday 13 April 2026 6:30 am  |  Updated:  Monday 13 April 2026 8:25 am

FTSE 100 Live: Stocks tumble amid Trump’s Strait of Hormuz blockade

By: Samuel Norman, Maisie Grice and Maria Ward-Brennan

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Trump has announced a blockade of the Strait of Hormuz. (Image: PA)

Good morning and welcome back to the CityAM liveblog.

Markets are returning from the weekend to a major blow in hopes of a ceasefire in the Middle East.

After Donald Trump revealed his two-week reprieve on strikes whilst negotiations begin, those very talks now look to be hanging by a thread.

Vice President JD Vance left Islamabad on Sunday morning after 21 hours of talks with Iranian officials in the Pakistani capital.

The Veep blamed the breakdown in negotiations on the Iranian regimes refusal to ditch its nuclear weapons programme.

Another round of Truth Social posts from Trump has also helped re-esacalete, with the President warning the US military was “locked and loaded” and prepared to resume attacks against Iran at an “appropriate moment”.

Trump has also said the American navy would “immediately” begin a blockade in the Strait of Hormuz in a bid to eliminate Iran’s key source of leverage in negotiations.

This move could send further ripples across global energy markets after weeks of chaos in oil and gas prices.

The President also said that other nations would be involved in the blockade, though he did not name them.

The UK is not expected to be a part of this, however, with a government spokesperson issuing a statement reading: “We continue to support freedom of navigation and the opening of the Strait of Hormuz, which is urgently needed to support the global economy and the cost of living back home.

“The Strait of Hormuz must not be subject to tolling.”

We’ll continue to bring you the latest on this and more.

Here’s a few of our top headlines from the weekend

  • Oil prices could race past $150 as ceasefire in ‘difficult phase’
  • AI security officials test Anthropic cyber threat as Bank of England to convene chiefs
  • Fury: The real fight is not in the ring or ad spend, but brand alignment
  • Crispin Odey drops £79m libel case against Financial Times
  • Deloitte enters rugby league as NRL Super League investment talks near
  • IBM: AI adoption stalls as UK businesses lack clear strategy
  • Starmer told Trump to be ‘practical’ amid Strait of Hormuz tax rumours
  • European banking jobs face AI reset ‘not mass job losses – for now’
Read more

As it happened: Stocks jitter on stalling US-Iran talks; OECD unemployment warning

Donald Trump raising his fist in a confident gesture during a public appearance, symbolizing determination and leadership
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