A significant selloff among U.S. and European data analytics, professional services and software companies deepened on Tuesday, with some investors pointing to a recently updated artificial intelligence chatbot by Anthropic as ​the main culprit. AI developer Anthropic launched plug-ins for its Claude Cowork agent on Friday that would automate tasks across legal, sales, marketing and ‌data analysis. Toronto-based Thomson Reuters, which owns the Westlaw legal database, slumped by nearly 18%.