美银美林：全球市场回调何时结束？“2020年代市场”会重演“1970年代”滞胀剧本吗？

Core Viewpoint - The global market is showing initial signs of a bottoming out in the current adjustment phase, with conditions for oversold assets hitting a low and overbought assets being sold off, but oil prices and the dollar have not yet reversed, and the S&P 500 has not fully cleared [3][4]. Group 1: Market Adjustment Signals - The current market adjustment is triggered by external shocks and excessive optimism, with some oversold assets showing signs of bottoming out [3]. - The Bank of America Merrill Lynch's Bull & Bear Indicator remains high at 9.2, indicating extreme bullish sentiment, which limits the potential for a rebound [4][18]. - The market requires four conditions to declare the end of the adjustment: oversold assets hitting a low, overbought assets being sold, a loss of support for safe-haven assets, and a real price clearing [6]. Group 2: AI Investment and Technology Sector - Nvidia has retracted its previously announced $100 billion investment in OpenAI, signaling a potential slowdown in AI capital expenditure growth, which could impact the technology bond and software sectors significantly [5][16]. - The software ETF's peak coincided with Nvidia's initial investment announcement, and its withdrawal may catalyze a reversal in technology trading strategies [16]. Group 3: Economic Outlook and Inflation - The 2020s are more likely to experience inflationary prosperity rather than a repeat of the 1970s stagflation, contingent on geopolitical stability, particularly regarding Iran [9][12]. - Factors supporting inflationary prosperity include political populism, reversal of globalization, excessive fiscal expansion, and a "too big to fail" stock market [11]. - Historical patterns indicate that commodities and physical assets are likely to benefit in an inflationary environment, while government intervention may suppress bond yields [11]. Group 4: Historical Context and Current Trends - The historical context of the 1970s shows that aggressive fiscal and monetary policies initially led to market gains, followed by significant downturns due to inflation and oil shocks [15]. - Current trends reflect a similar pattern, with oil prices rising by 30% and gold by 18.3% in 2026, while the S&P 500 has only seen a slight increase of 0.3% [12].