UK Stock Market Today: Biggest Gainers on 11 December 2025 as FTSE 100 Edges Higher
On Thursday 11 December 2025, the UK stock market quietly ground higher – but beneath the modest index moves, some individual London-listed shares put in eye‑catching performances. A mix of buyback programmes, upbeat trading updates and fresh broker upgrades pushed a cluster of mid‑caps and smaller names to the top of the leaderboard, while newly listed Magnum Ice Cream Company continued to find its feet after its high‑profile spin‑off from Unilever. All data and moves below refer to the close of trade on 11 December 2025, based on Hargreaves Lansdown index data and risers tables, together with regulatory announcements and newswires published the same day. Hargreaves Lansdown+1
