Core Viewpoint - The A-share and Hong Kong stock markets have seen significant increases in the GEO (Generative Engine Optimization) concept, with notable stock performances and a surge in related announcements and risk warnings from companies [2][4]. Group 1: Market Performance - The A-share GEO concept index rose over 8% in the morning session, with stocks like Liujin Technology increasing by more than 26%, and several others hitting the daily limit of 20% [2]. - In the Hong Kong market, the GEO concept index also saw a rise of over 4%, with stocks such as Zhiyuan increasing by over 19% and Weimeng Group by over 9% [4]. - Since 2026, several stocks in the GEO index have experienced cumulative increases exceeding 50%, with some doubling in value [4]. Group 2: Company Responses and Clarifications - Companies like Huichen Co. have actively responded to inquiries about GEO, highlighting their solutions that cater to AI-driven brand marketing needs, leveraging their extensive experience in data and algorithm models [6]. - Measurement Co. clarified that while GEO is a new optimization strategy for generative AI, they are not currently involved in related business [7]. - Zhejiang Wenhu has issued a risk warning, stating that their GEO business has not yet developed a mature profit model and lacks revenue [8]. - Other companies, including Inertia Media and People's Daily, have also confirmed that they do not engage in GEO-related activities and have not identified any significant media reports affecting their stock prices [8][9].