FTSE 100 slips as oil nears $100 and Iran tightens Hormuz controls
The UK’s blue‑chip index fell on Tuesday as oil prices rose toward $100 and Iran introduced tighter rules for ships in the Strait of Hormuz, rattling investors.
FTSE 100 slipped on Tuesday morning after Brent crude edged toward the $100‑a‑barrel mark and Iran announced a new “restricted zone” around the Strait of Hormuz. The move, aimed at tightening control of the vital shipping lane, sent oil majors higher while dragging down banks, housebuilders and other sectors.
Oil price surge and market reaction
Brent crude, the global benchmark, rose another 1.5 per cent, putting the commodity within striking distance of the psychologically important $100 level. The price jump reflected concerns that Iran’s tighter regime could choke a key route for global oil shipments.
“Record copper prices add to a picture which is becoming as complicated for investors as an M.C. Escher work, as the threat of US tariffs on refined copper adds to declining production and rampant demand linked to AI, power grids and electric vehicles.”
Dan Coatsworth, head of markets at AJ Bell, said the confluence of rising oil, steady bond yields and soaring copper prices is leaving investors bewildered.
Why the dip matters for UK equities
London’s oil and gas companies attracted fresh buying, but the broader index suffered as banks and housebuilders fell out of favour. The mixed performance underscores how external geopolitical shocks can quickly reshape sector sentiment on the London Stock Exchange.
In a speech yesterday, John Healey pledged to keep the government on track to meet fiscal rules ahead of the upcoming budget, promising a buffer to protect against uncertainty. The Chancellor’s remarks come as pressure mounts to address the rising cost burden on businesses and consumers.
Looking ahead
Analysts expect oil prices to remain volatile while markets digest the impact of Iran’s new restrictions. If the Strait of Hormuz stays partially closed, shipping costs could rise, feeding through to inflation and potentially prompting further policy responses from Westminster.
Investors will also be watching the upcoming budget for clues on how the Treasury plans to support sectors hit by higher energy costs and whether any new measures will be introduced to stabilise the housing market.
For more on the Chancellor’s fiscal agenda, see Chancellor John Healey's growth plan.
