UK Stock Market Today: FTSE 100 Jumps as UK Inflation Cools and Bank of England Rate-Cut Bets Surge (17 December 2025)
London stocks closed firmly higher on Wednesday, 17 December 2025, after a sharper-than-expected drop in UK inflation turbocharged expectations of an imminent Bank of England (BoE) interest-rate cut and triggered a broad rally across rate-sensitive and internationally exposed sectors. Key takeaways from UK markets today Market snapshot: where UK indices finished on 17 December 2025 FTSE 100 (UK large caps)The FTSE 100 closed at 9,847.61, up 1.68% on the day. It traded between 9,744.40 and 9,850.70, after opening at 9,762.26. Investing.com FTSE 250 (UK mid caps)The FTSE 250 ended at 22,230.76, up 0.86%. It ranged from 22,041.74 to 22,269.24 after