U.S. stock market adds over $2 trillion in 3 days

Market Overview - The U.S. stock market has rebounded significantly, adding over $2.1 trillion in value in less than three trading sessions, with the S&P 500 surging more than 250 points from last week's lows [1] - The S&P 500 closed at 6,765, up nearly 1% for the day, and is now just over 2% away from record territory [1] Technology Sector - Major technology companies, particularly Alphabet and Apple, have been key drivers of the market rebound, with Alphabet's AI model Gemini 3 boosting confidence in its competitive position [2] - Apple has reinforced its role in the tech sector through U.S. manufacturing investments and advancements in AI and silicon development [2] - Nvidia has faced challenges as Meta considers switching to Google AI chips, raising concerns about Nvidia's market dominance, yet the overall tech sector remains resilient [3] AI and Corporate Spending - The AI boom continues to be a significant market driver, supported by strong earnings from mega-cap tech companies and increasing corporate investments in AI infrastructure [4] Foreign Investment - Foreign investors have contributed significantly to the market rally, with an unprecedented $647 billion invested in U.S. equities over the past 12 months, reflecting global confidence in American corporate earnings and advanced technologies [5][7] - The Nasdaq and S&P 500 have shown strong year-to-date gains, bolstered by positive earnings and resilient consumer demand [7]