India, June 22 -- The UK stock market traded cautiously on Monday as investors assessed the political implications of Prime Minister Keir Starmer's resignation and the potential impact of a Labour leadership transition on the country's economic outlook.

While the benchmark FTSE 100 remained relatively resilient, the domestically focused FTSE 250 underperformed as traders weighed uncertainty surrounding future fiscal policy, government spending plans and broader economic prospects. Market participants were also keeping a close eye on global developments, including progress in US-Iran diplomatic talks and movements in oil prices.

UK Stock Market Today, June 22, 2026

Political uncertainty moved to the forefront of investor attention after...