Core Viewpoint - The AI application sector in the A-share market experienced a significant downturn on January 15, with multiple companies facing substantial declines in stock prices, indicating a potential market correction in this sector [1]. Group 1: Market Performance - Companies such as Guangyun Technology and Tianlong Group hit the 20% daily limit down, reflecting severe investor sentiment [1]. - Zhidema and BlueFocus saw declines of over 18% and 12% respectively, indicating a broad sell-off in the AI application sector [1]. - Other companies like Tuoer Si and Yinsai Group also faced declines exceeding 10%, showcasing widespread negative performance across the sector [1]. Group 2: Company Specifics - Guangyun Technology's market capitalization stands at 11.7 billion, with a year-to-date increase of 62.18% despite the recent drop of 20% [2]. - Tianlong Group has a market cap of 10.6 billion and a year-to-date increase of 62.78%, yet it experienced a near 20% decline [2]. - Zhidema, with a market cap of 13.6 billion, saw an 18.18% drop, but still maintains a year-to-date increase of 56.64% [2]. - BlueFocus, valued at 68.3 billion, dropped by 12.02% while having a year-to-date increase of 65.19% [2].