India, June 23 -- The UK's benchmark FTSE 100 index closed 0.73% higher at 10,439 points on Monday, 22 June 2026, rebounding from initial dips as heavyweight banking stocks triggered a minor relief rally following Prime Minister Keir Starmer's resignation announcement.

Here's everything you need to know about the UK Stock Market, FTSE 100, and more.

UK Stock Market FTSE 100: Political Resignation Shakes Westminster

Prime Minister Keir Starmer announced his departure less than two years after a landslide 2024 victory, following months of internal party division and poor local election results.

He will remain caretaker PM while the Labour Party runs a leadership contest opening on 9 July, aiming for a new leader by September 2026.

Howe...