The FTSE 100 closed higher on Thursday as ongoing political uncertainty was offset by encouraging UK GDP data, a cooling oil price and easing gilt yields. The FTSE 100 closed up 47.58 points, 0.5%, at 10,372.93. The FTSE 250 ended up 299.70 points, 1.3%, at 22,828.07, and the AIM All-Share fell just 0.09 of a point at 817.12. In the UK, Health Secretary Wes Streeting quit his post, paving the way for a possible leadership challenge against embattled Prime Minister Sir Keir Starmer. Sir Keir, who led his Labour Party to victory in 2024, is fighting to save his job after poor local election results last week. Four junior ministers have resigned, and more than 80 Labour MPs have urged him to quit, but he has vowed to cling on. Mr Streeting criticised the “drift” at the top of Government and told the Prime Minister it is “clear” he will not lead Labour into the next election.…