Keir Starmer and Rishi Sunak both publicly backed Chancellor Rachel Reeves following her emotional appearance in the Commons, with Starmer stating she will remain in her role 'for a very long time' and Sunak expressing his full support. Market uncertainty and speculation about Reeves' future initially impacted UK borrowing costs and currency, but later stabilized. Reeves' first year as Chancellor has faced challenges, including implementing austerity measures and navigating internal party dynamics.