Core Viewpoint - The AI application sector is experiencing differentiation, with companies like Liou Co. facing significant declines while others like Yidian Tianxia show volatility but recover somewhat as the sector stabilizes [1]. Group 1: Liou Co. (利欧股份) - Liou Co. has seen a dramatic increase in stock price, doubling over ten trading days since December 31, reaching a historical high, primarily driven by speculation around AI marketing concepts [3]. - The company is actively developing AI capabilities through its subsidiary Liou Digital, which has established multiple intelligent systems in marketing, including strategy, creativity, deployment, and operations, and launched the AIGC ecosystem platform LEO AIAD [3]. - Liou Co. is also exploring new areas such as liquid cooling concepts and partnerships with Huawei, creating a compounded effect of various trending themes [3]. Group 2: Yidian Tianxia (易点天下) - Yidian Tianxia has experienced a significant stock price increase of over 130% since late December, becoming a market highlight, but faced a sharp decline of over 30% upon resuming trading after a suspension for review [3][4]. - The company's market appeal is also centered around its AI marketing concept and its GEO generative engine optimization business, positioning itself as a cross-border digital marketing service provider leveraging AI technology for smart marketing solutions [4]. - Despite the recent volatility, the company asserts that its core logic relies on AI technology to empower its business, although it clarified that it does not have any revenue from GEO-related business [4].