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Thursday 16 July 2026 6:34 am  |  Updated:  Thursday 16 July 2026 11:10 am

FTSE 100 Live: Stocks drop on Trump-Iran warning; Mahmood tipped to be chancellor

By: Samuel Norman and Felix Armstrong

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Donald Trump speaking at a press conference podium with an American flag backdrop, emphasizing political discourse
Trump said he wasn't going to push for a deadline on Iran.

Welcome back to the City PM liveblog.

The UK has received fresh economic growth data this morning which has put GDP expansion at a sluggish 0.1 per cent for the month of May.

The services sector – which contributes more than 80 per cent of total economic output – grew 0.3 per cent against steep falls in other parts of the economy. 

Manufacturing contracted 0.8 per cent and production 0.5 per cent.

“While all three main sectors grew over the three months (to May), the slight growth in GDP in May was driven by services alone, with production and construction both falling back,” Liz McKeown, director of economic statistics at the ONS, said.

The fresh data comes ahead of the first ceasefire agreement between Trump and Iran coming into effect.

But the agreement has since being dropped in a move that threatens to reignite economic turmoil across the globe.

Read more

UK economy grows despite Iran war hit

Detailed view of a breaking news event related to general topics, showcasing key elements of the story in a business context.

Brent crude – the international benchmark for oil prices – fluctuated around the $85 per barrel mark, staying close to one-month highs on Thursday morning after the US ramped up its military campaign against Iran.

The US forces carried out fresh airstrikes that targeted Iranian missile storage facilities and launch sites near the strategic waterway.

Asked whether he would give a new deadline for a peace deal, Trump said: “I ‌don’t like giving ​deadlines, but they pretty ⁠much know, they know ​the story… ​they ​better ​behave.”

The markets are digesting the news that current home secretary Shabana Mahmood is set to be appointed as the UK’s next Chancellor under new Prime Minister Andy Burnham.

One City boss told City PM that Mahmood would go down well in the Square Mile, though very little is known about her fiscal policies.

We’ll be bringing you the latest market updates and analysis.

Jump straight to:

  • 10:57am: Market relief as Mahmood tipped for chancellor
  • 9:24am: Ocado shares slump on tricky update
  • 7:49am: Rotork swept off FTSE 250 after agreeing to £4bn ABB acquisition
  • 7:25am: Government brings British Steel under state ownership
  • 7:05am: UK economy had sluggish 0.1 per cent growth in May
Read more

As it happened: FTSE 100 see-saws after inflation undershoots; Oil at $80 as Trump threatens ‘dropping bombs’ on Iran

Donald Trump addressing media at a press event, wearing a suit and tie, with reporters and cameras in the background.
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