Core Viewpoint - The AI marketing sector has experienced a significant downturn, with several companies facing sharp declines in stock prices, indicating a rapid cooling of investor enthusiasm and a shift in market focus towards companies with solid earnings. Group 1: Market Reaction - AI marketing stocks, including companies like Inry Media and Vision China, hit their daily trading limits, with declines of up to 10% for others like Zhejiang Wenlian and Xinhua Du, reflecting a broader market sell-off [1] - The rapid decline in stock prices comes after a period of excessive speculation, where stocks like Yidian Tianxia surged by 120% in just nine days, leading to inflated valuations and a bubble-like environment [3] Group 2: Underlying Issues - Several companies in the AI marketing space, such as Inry Media, have clarified that their GEO business is still in the planning stages and has not generated any revenue, indicating that much of the previous hype was unfounded and based on speculative narratives [3] - There has been a significant outflow of capital from high-flying stocks, with over 4 billion yuan exiting the sector in just three days, as investors shift their focus to sectors like semiconductors and non-ferrous metals that have strong earnings support [4] Group 3: Regulatory Environment - Recent inquiries from regulators into multiple AI concept companies signal a crackdown on "pseudo-concept" speculation, further contributing to the fear and selling pressure in the market [4] - The market is transitioning from a focus on speculative stories to a focus on actual performance, suggesting that stocks without fundamental support should be avoided [4] Group 4: Investment Strategy - Investors are advised to steer clear of AI marketing stocks that lack earnings and are merely riding on trends, especially those that have seen their prices double recently [4] - For those holding positions in these stocks, it is recommended to wait for stabilization in the sector before considering any additional investments [4] - The current investment focus has shifted towards hard technology sectors, particularly semiconductors and memory chips, which are supported by both policy and earnings [4]