Indexes Jump On Rate Cut Hopes; 'Big Short' Burry Sounds AI Warning

Market Overview - Indexes experienced a rise at the beginning of the holiday-shortened week, continuing gains from the previous Friday, although the impact of a sharp sell-off from last week was not fully recovered [1] - The S&P 500 and Nasdaq composite nearly regained their 50-day moving average, while the Dow finished just below this key level [1] AI Sector Insights - Concerns are emerging regarding Google's Gemini 3, which may pose risks to leading AI stocks, indicating a potential shift in market dynamics [2] - The AI sector is facing a critical moment, with five reasons identified that raise concerns about a possible AI bubble, particularly affecting stocks like Nvidia [4] - Nvidia's stock performance is under scrutiny as it fluctuates amid broader AI stock trade challenges, with recent developments regarding chip sales to China adding to the volatility [4]