量化数据告诉你：牛市也能亏大钱！

Core Insights - The article discusses the disparity between market performance and individual investor experiences, highlighting that even in a bull market, many retail investors face losses due to misconceptions and lack of understanding of market dynamics [1][3]. Group 1: Market Illusions - The first illusion is the belief that individual stocks will always rise, exemplified by Guangju Energy's 50% surge followed by a 60% decline, leading to significant opportunity costs for investors who hold onto losing positions [3][6]. - The second illusion is the notion that market corrections present buying opportunities, which can be misleading as seen in the volatile performance of various sectors like pharmaceuticals and new energy, where short-term gains are often followed by sharp declines [3][6]. Group 2: Institutional Influence - The banking sector has shown resilience and growth despite skepticism, with institutional investors maintaining consistent positions, indicating a strong underlying support for bank stocks [6][10]. - In contrast, the white liquor sector has seen a decline in institutional interest, leading to significant losses for retail investors attempting to time the market, demonstrating the risks of investing without institutional backing [8][10]. Group 3: Investment Strategies - The article emphasizes the importance of understanding market behavior over price levels, suggesting that stock prices are not absolute but rather reflect institutional recognition [10]. - Utilizing tools to analyze trading behaviors can help bridge the information gap, allowing investors to make more informed decisions based on data rather than emotions [10]. - The article warns against the dangers of consensus expectations, where widespread optimism about a sector can signal impending risks, as illustrated by the white liquor market [10].