美股极其脆弱！从SaaS、PE到保险、物业甚至物流“轮流大跌”，高盛交易员“疲惫且震惊”

Core Viewpoint - The U.S. stock market is experiencing a rare and widespread panic sell-off, driven by concerns over AI's disruptive potential across various sectors [1][3] Market Behavior - Over 40 S&P 500 stocks exhibited abnormal volatility exceeding three standard deviations, marking the highest level observed by Goldman Sachs trader Ryan Shakey [1] - Defensive sectors such as utilities, consumer staples, REITs, and healthcare are leading the market, while technology, media, and telecommunications are facing significant declines [1] - The Goldman Sachs AI risk exposure basket (GSTMTAIR) saw a sharp drop of 510 basis points in a single day, indicating heightened market sensitivity to AI-related risks [1] Investor Sentiment - Investor sentiment has shifted dramatically, with a notable loss of appetite for bottom-fishing, as hedge funds and long institutions are selling off but at smaller scales, indicating a growing sense of fatigue [4] - The market breadth has deteriorated sharply, with 350 S&P 500 stocks declining, and major tech companies like Apple, Amazon, Microsoft, Meta, and Cisco dragging down the index [5] Sector-Specific Impacts - The logistics sector has become a recent focal point, with CH Robinson experiencing an eight-standard deviation drop, reflecting the spread of AI panic from tech to traditional industries [6] - Financial stocks, previously seen as safe havens, are also under pressure, with regional banks losing their appeal as attractive investments [6] - The healthcare sector has seen a 32% drop in contract research organizations (CROs) this month, following Pfizer's announcement to utilize AI for most clinical trials [6] Reassessment of AI Winners - The technology, media, and telecommunications sectors, excluding storage chips, are facing widespread declines, as previously regarded "winners" are being sold off amid risk-averse sentiment [7] - Investors are confused about the underlying issues in earnings reports, as fundamental analysis appears to be overlooked in the current panic environment [7]