Stocks in Pearson, London Stock Exchange Group and Experian plunge amid fears over impact of AI Stocks in Pearson, London Stock Exchange Group and Experian plunge amid fears over impact of AI European publishing and legal software companies have suffered sharp declines in their share prices after the US artificial intelligence firm Anthropic announced a tool aimed at companies’ in-house lawyers. The UK publishing group Pearson’s shares fell by 4%, while the information and analytics firm Relx