900点大涨背后暗藏杀机

Core Insights - The article emphasizes that retail investors often lose money during bull markets, contrary to the common belief that stock prices will continue to rise [1] - It highlights the misconception that market rebounds present opportunities, noting that no sector has consistently performed well over the first nine months of 2025 [1][6] - The piece argues that institutional investors have been quietly withdrawing from the market, leaving retail investors to engage in self-deception during market rebounds [6] Group 1: Market Behavior - The article points out that the stock market is a zero-sum game, where one investor's profit is another's loss [12] - It mentions the significant drop in the liquor sector following the implementation of a liquor ban, which resulted in a 6% decline over 20 days [4] - The case of Guoju Energy is presented, illustrating how a stock can rise 50% in the first quarter but subsequently lose 60% of that gain [1] Group 2: Institutional vs. Retail Investors - The article discusses how institutional investors have been exiting the market, as indicated by a quantitative indicator called "institutional inventory" [6] - It highlights the case of Notai Bio, which saw a 25% increase after being designated as ST, suggesting that institutional investors had already entered the market beforehand [8] - The author asserts that market movements without institutional participation are unreliable and should be viewed with skepticism [10] Group 3: Data and Analysis - The article stresses the importance of relying on quantitative data rather than intuition or luck in trading decisions [12] - It criticizes technical analysis as largely ineffective, claiming that 90% of it is irrelevant [12] - The author encourages retail investors to adopt a data-driven approach to trading, viewing it as their last line of defense in an information-asymmetric market [11]