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重读《非理性繁荣》:AI盛世下的美股隐忧
雪球·2025-11-10 07:57

Core Viewpoint - The article discusses the similarities and differences between the current market environment and the conditions leading up to the dot-com bubble, emphasizing the potential risks associated with the current investment climate driven by technology and speculative behavior [5][6]. Structural Factors: Similar Foundations, Amplified Risks - The democratization of capital markets has made trading accessible to the masses through zero-commission apps and social media, leading to increased volatility and a gamified investment approach [8]. - Current monetary policy expectations are reminiscent of the "Great Moderation" era, with hopes for a return to low inflation and interest rates, but persistent inflation could lead to prolonged high rates, impacting growth stocks [9][11]. - The demographic shift, with the baby boomer generation moving into retirement, is causing a net outflow of funds from the market, raising concerns about long-term returns unless younger generations invest significantly [12][13][14]. - The narrative surrounding technology, particularly AI, is driving aggressive valuations, with companies forming interdependent relationships that could lead to inflated market expectations [15]. - Geopolitical tensions and supply chain reconfigurations are increasing operational uncertainties for businesses, potentially leading to higher risk premiums and compressed valuations [16]. Cultural Factors: Accelerated Resonance, Distorted Rationality - The instantaneous nature of information dissemination through social media can lead to rapid market reactions, often outpacing rational responses [18][19]. - The cult of personality surrounding tech leaders can amplify market sentiments, where a single statement can significantly impact valuations [20]. - The culture of FOMO (Fear of Missing Out) is prevalent, driving irrational investment behaviors and leading to poor decision-making during market highs and lows [21][22]. Psychological Factors: Anchoring and Contagion Cycles - The post-pandemic environment has led to higher valuation anchors, with many investors believing in perpetual market growth, which can lead to risky investment strategies [24]. - The collective belief in dominant narratives, such as AI and interest rate cuts, creates a single-threaded market system where any disruption can trigger significant sell-offs [26][27]. - Long-term investors are advised to maintain clarity and restraint amidst the prevailing narratives, as the current market is heavily influenced by shared beliefs rather than rationality [28][29].