European stocks and US futures have fallen slightly and oil prices have dipped after Iranian negotiators said progress had been made in peace talks with the United States, helping calm fears the fragile process to end the Iran war was breaking down.
UK assets were steady after Prime Minister Sir Keir Starmer announced his resignation on Monday, paving the way for Britain's seventh leader in 10 years.
The Iran war talks had earlier been overshadowed by Tehran's announcement it had again closed the Strait of Hormuz, with shipping having slowed after US Central Command said 55 vessels passed on Saturday, prompting US President Donald Trump to threaten fresh attacks.
