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Why London Stock Exchange Group (LSEG) share price is sliding: buyback filing lands as UK reforms and tariff jitters collide
20 January 2026
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Why London Stock Exchange Group (LSEG) share price is sliding: buyback filing lands as UK reforms and tariff jitters collide

London, January 20, 2026, 08:26 GMT — The regular session is now in progress.

London Stock Exchange Group (LSEG.L) shares dropped 1.2%, down 108 pence to 8,974 pence by 0826 GMT.

The group announced fresh buybacks as part of its ongoing programme. On Jan. 19, LSEG acquired 110,386 shares at an average price of 9,149.65 pence each via Citigroup Global Markets, a regulatory filing shows. The company plans to cancel these shares.

Britain’s revamped capital-raising rules took effect Monday, raising the threshold for triggering a prospectus from 20% to 75% of a share issue. The FCA says this could save companies about £40 million a year, pointing out only nine firms listed on the LSE’s main market last year. Jamie Bell, FCA’s head of capital markets, noted deals are already happening that “couldn’t have been done under the old rules.” London Stock Exchange CEO Julia Hoggett called the changes “easier, faster and more efficient” for raising capital. Jonathan Parry at White & Case expects the reforms to “help streamline fundraising,” while Nicholas Holmes at Pinsent Masons warned that “U.S. liability still applies” on larger offerings. reuters.com

Risk appetite faltered following President Donald Trump’s Greenland announcement, sparking fresh tariff doubts that pushed stocks lower and left investors questioning the durability of recent rallies. Kyle Rodda, senior market analyst at Capital.com, described the standoff as potentially “self-limiting.” Yet MUFG economist Henry Cook cautioned that tariff uncertainty is likely to “remain elevated” even if tensions cool. reuters.com

London markets stumbled Monday after Trump unveiled a 10% tariff on imports from Britain and seven other European nations, set to kick in on Feb. 1. The duty is slated to rise to 25% by June 1 unless the U.S. secures approval to buy Greenland, Reuters said.

LSEG’s shares tend to act as a defensive play thanks to its reliable market-data and analytics revenue, yet they can swing sharply as traders weigh shifts in trading and clearing volumes. Some investors also watch peers such as Euronext and Deutsche Boerse for hints on volume patterns and demand for listings.

Even with buybacks and regulatory tweaks in play, stocks won’t gain much if geopolitics keeps taking center stage and companies remain hesitant to strike deals, leaving few prospects in the pipeline.

LSEG plans to unveil preliminary results for the year ending December 31, 2025, on February 26, according to its financial calendar.

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