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Britain’s main indexes gain over 1% on hopes of Middle East peace deal

By Thomson Reuters Jun 12, 2026 | 6:08 AM

By Tharuniyaa Lakshmi

June 12 (Reuters) – Britain’s shares edged higher on Friday after U.S. President Donald Trump said a peace agreement with Iran could be signed ​soon, while investors also assessed key economic data.

The ‌blue-chip FTSE 100 index rose 1.1% to 10,414.02 points by 1059 GMT, while the midcap FTSE 250 climbed 1.5%. Both indexes were on track for weekly gains.

• The deal, if confirmed, could end ‌the ​three-month-old war, which sent oil prices ⁠sharply higher after Iran ⁠blockaded the Strait of Hormuz, a vital artery for global energy supply.

• Most sub-indexes were in the green, except energy, which fell 3.6% after oil prices slipped ​more than 4% following the news. [O/R]

• Homebuilders led gains; Vistry Group was up 6.6%, and Bellway and ⁠Persimmon 4% each.

• The travel and ⁠leisure sub-index, which includes oil price-sensitive airlines, ​also advanced 3.6%. British Airways owner IAG and budget carrier ​Wizz Air Holdings were among the top gainers.

• ‌On the data front, Britain’s economy contracted 0.1% in April, its first monthly drop since August 2025, the Office for National Statistics (ONS) said.

• ONS data showed the first clear ⁠signs of an impact from the U.S.-Israeli war on Iran on the country’s economic growth.

• “April’s data hints at what is ⁠to come, a ‌summer of sluggishness which could edge into ⁠a technical recession as global conflict collides ​with ‌domestic political uncertainty,” said Danni Hewson, head ​of financial ⁠analysis at AJ Bell.

• Separately, the British public’s expectations for inflation in the long term rose to a record high last month, the Bank of England’s quarterly inflation attitudes survey showed on Friday.

(Reporting by Tharuniyaa Lakshmi in Bengaluru; Editing ​by Sahal Muhammed)