分析师：AI泡沫与美联储态度改变，股市波动或仍持续

Group 1 - Analyst Adam Button highlights that recent performance in the US stock market does not align with bullish expectations, indicating market hesitation through unattractive candlestick patterns [2] - Button has been monitoring the overvaluation risk of Nvidia (NVDA.O), especially after Google's release of the Gemini 3 large language model (LLM), which can perform well without relying on Nvidia chips [2] - Nvidia's weight in the S&P 500 is approximately 8%, meaning a significant drop in its stock price could substantially drag down the index [2] Group 2 - The Federal Reserve's shift in stance has impacted market sentiment, with the probability of a rate cut in December dropping from near certainty to about 36% after Chairman Powell opposed the idea [3] - A cautious monetary policy is typically not favorable for the market, and this "non-dovish" stance may exert pressure on stock prices [3] - The AI sector's development is closely tied to chip supply, and technological breakthroughs could alter the industry landscape, affecting the profitability and market valuation of related companies [3]