June 3 (Reuters) – UK shares declined on Wednesday as hostilities in the Middle East flared up again, sending crude oil ​prices higher and dampening hopes for a peace deal between the ‌U.S. and Iran.

The blue-chip FTSE 100 (.FTSE), opens new tab fell 0.4%, while the midcap FTSE 250 (.FTMC), opens new tab was down 0.8%. Both indexes have been largely range-bound this week as ​investors weighed developments in the Middle East and large swings ​in global tech shares.

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Iranian attacks damaged Kuwait’s airport and injured dozens, while ⁠the U.S. military carried out strikes near the Strait of Hormuz, as ​talks to halt the war showed little sign of progress.Oil prices rose ​around 2%, sending shares of UK energy firms (.FTNMX601010), opens new tab 1.6% higher.British services firms suffered a small fall in activity in May as the strains of the Iran ​war pushed costs up sharply and hit optimism, an S&P Global ​survey showed.

The S&P Global Purchasing Managers’ Index’s gauge for input cost inflation fell slightly ‌in ⁠May but was still the second-highest since December 2022.

Financial markets see a nearly 90% chance for the Bank of England to maintain borrowing costs at 3.75% in its June 18 announcement, according to LSEG data.

British private equity ​firm Bridgepoint Group (BPTB.L), opens new tab fell ​9.8% after ⁠Switzerland’s Partners Group said it was capping withdrawals from an $8.6 billion private equity fund.Investment manager Ninety One (N91.L), opens new tab fell 4.6% ​after analysts noted smaller-than-expected net inflows during the second ​half of fiscal 2026.Shares ⁠of B&M (BMEB.L), opens new tab jumped 16.1% after the British discount retailer reported a smaller-than-expected drop in annual pretax profit.Debenhams Group (DEBS.L), opens new tab jumped 14.4% after the online fashion ⁠retailer returned ​to growth with a 0.5% rise in ​first-quarter gross merchandise value along with a “substantial” increase in core profit.

Reporting by Shashwat Chauhan ​and Sruthi Shankar in Bengaluru; Editing by Shailesh Kuber and Jonathan Ananda

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