London’s FTSE 100 extended its losing streak to six sessions on Monday, falling 0.3% to 10,720.30, its lowest close in more than three weeks.
The FTSE 250 dropped 0.7% to 24,704.40, marking its sharpest percentage fall in more than three weeks.
Consumer-facing sectors led the decline, with personal goods, beverages, personal care and grocery-related stocks among the weakest areas of the market.
Geopolitical uncertainty remained a key concern after US President Donald Trump said Iran should surrender to end the conflict, while Tehran warned it could escalate tensions around the Strait of Hormuz if diplomacy fails.
Brent crude edged 0.5% higher to around $89.02 a barrel, with investors increasingly watching the risk of oil moving back towards $100 if the conflict remains unresolved.
UK economic data will also move into focus, with labour-market figures due Tuesday and inflation data on Wednesday, both likely to influence expectations for the Bank of England.
Mining stocks helped limit the FTSE 100’s losses as precious and industrial metals strengthened. Anglo American gained 2.0%, Fresnillo rose 1.6%, Rio Tinto added 1.0% and Glencore advanced 0.9%.
AstraZeneca rose 0.9% following positive trial updates, while Rolls-Royce gained 1.5% after Morgan Stanley and Citigroup increased their price targets.
The six-session decline leaves the FTSE 100 under continued pressure from geopolitical risk, energy prices and growing caution around the outlook for UK consumers and interest rates.
