RELX, LSEG, and Experian Shares Drop After Anthropic Launches New AI Tool
Feb 4, 2026
Shares of major UK data publishers fell sharply after Anthropic, a US artificial intelligence company, announced a new AI tool designed for corporate legal teams.
RELX, which owns the legal research platform LexisNexis, saw its shares drop by 12%. London Stock Exchange Group's shares declined by 8.1%, while Experian's shares fell by 7.4%.
Investors appear concerned that advanced AI tools, such as the one launched by Anthropic, could increase competition for companies that provide information and analytics services to businesses.
Why did these companies' share prices fall?
Investors are worried that new AI tools might compete with or disrupt the services offered by these data and analytics companies.
What does Anthropic's AI tool do?
Anthropic's new tool is designed to assist corporate legal teams by automating tasks using artificial intelligence.
Which companies were most affected by this news?
RELX, London Stock Exchange Group, and Experian experienced the largest share price drops.
Sources
RELX, LSEG, Experian and other media hit by AI worries from Anthropic launch
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Shares in FTSE 100 data publishers were slammed by AI worries on Tuesday after US AI company Anthropic released a new 'agentic' tool for corporate legal teams. RELX PLC, which owns legal industry information and analytics provider LexisNexis, slumped 12%; while London Stock Exchange Group PLC dropp...
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