UK Stock Market Today (17 December 2025): FTSE 100 Rallies as Inflation Surprise Fuels Bank of England Rate-Cut Bets
LONDON — 17 December 2025. UK equities finished higher on Wednesday, with the FTSE 100 closing up 0.9% at 9,774.32 after stronger gains earlier in the session, as a sharper-than-expected drop in inflation strengthened expectations of a Bank of England (BoE) rate cut on Thursday. The more domestically focused FTSE 250 added 0.6% to 22,164.76, while the AIM All-Share rose 0.3% to 751.48. lse.co.uk The day’s rally was broad-based but rate-sensitive sectors took the spotlight: housebuilders advanced on the prospect of cheaper mortgages, banks rallied on upgrades and a wider European financials bid, and energy shares stabilised as oil prices firmed again. lse.co.uk+1 UK market snapshot: FTSE 100, FTSE 250,