London Stock Exchange Group (LSEG) News Today: Citi Data Deal, Buyback Update, LCH SA Governance Approval and FTSE Russell ETF Win (17 Dec 2025)
London Stock Exchange Group plc (LSEG) makes headlines on 17.12.2025 with a multi‑year Citi data partnership, a share buyback transaction update, SEC approval for LCH SA governance changes, and fresh FTSE Russell benchmark adoption. London Stock Exchange Group plc (LSEG),