Group 1 - The core viewpoint of the articles highlights a surge in AI marketing, particularly in the GEO (Generative Engine Optimization) sector, with multiple companies experiencing significant stock price increases [1][2] - Companies such as Chuanwang Media and Yidian Tianxia saw their stocks hit the 20% limit up, while others like Liou Co., Shengguang Group, and Visual China also reached the 10% limit up [1] - The recent AI application marketing in the GEO direction has catalyzed a wave of investment interest, with MINIMAX's stock soaring over 70% and 140% after its listing in Hong Kong [1] Group 2 - GEO is defined as an optimization strategy for generative AI platforms, aiming to prioritize brand mentions and product recommendations in AI-generated responses [2] - The shift in advertising demand from "ranking priority" (SEO) to "answer priority" (GEO) is expected to drive innovation in marketing and media business models [2] - The Media ETF Huaxia (516190.SH) has seen significant inflows, with over 15 million net inflow on January 9 and further large-scale capital inflows on January 12, indicating strong market interest in AI-related applications [2]