硬AI·2026-02-04 09:07Core Viewpoint - The release of a legal plugin by Anthropic for its Claude Cowork AI agent has caused significant turmoil in the legal software sector, leading to a sharp decline in stock prices for several companies in this space [4][5][10]. Group 1: Market Reaction - Following the launch of the legal plugin, stocks related to legal and data service technologies experienced a major sell-off, with many stocks dropping over 15% [5][8]. - On the day of the sell-off, the total market capitalization of software, financial services, and asset management sectors decreased by approximately $285 billion [8]. - Notable declines included Dutch company Wolters Kluwer down 13%, UK-based RELX down 14%, LegalZoom.com down nearly 20%, and Thomson Reuters down 15% [8][9]. Group 2: Impact on Legal Software Sector - The stocks in the legal software sector have cumulatively dropped at least 20% since the beginning of 2026, with the decline accelerating after the release of Anthropic's legal plugin [10]. - The legal tools provided by Anthropic's plugin can automate tasks such as contract review and legal briefs, which are core functions of many legal software products [6][12]. - The market position of Claude as a preferred tool for legal and financial professionals highlights its competitive edge in the AI market [11]. Group 3: Investor Sentiment and Future Outlook - Investor confidence in the legal publishing industry may further deteriorate as AI technology continues to advance [16]. - Prior to the launch of Anthropic's plugin, several startups, including Legora and Harvey AI, had already introduced tools aimed at assisting lawyers with tedious tasks, attracting significant investment [17]. - The performance of software stocks has lagged behind other tech companies, with only 71% of software companies in the S&P 500 exceeding revenue expectations this earnings season, compared to 85% for the entire tech sector [22].