Here’s Every Company Worth $4 Trillion — Should You Buy or Sell These Stocks?

Core Insights - The rise of AI-first technology companies has led to a significant increase in company valuations, with multiple companies now reaching trillion-dollar market caps [1][2]. Group 1: Companies Reaching $4 Trillion Valuation - Nvidia became the first company in history to exceed a $4 trillion market capitalization in July 2025, driven by its role as the primary supplier of hardware for modern artificial intelligence [3]. - Microsoft reached the $4 trillion valuation shortly after Nvidia, benefiting from its strong enterprise software, cloud computing, and AI integration [5]. - Apple is the most recent company to achieve a $4 trillion valuation, supported by consistent consumer demand and a robust ecosystem of services and hardware [7]. Group 2: Company Performance and Market Position - Nvidia's chips are essential for data centers, machine learning models, and AI platforms, leading to a demand surge that has outpaced supply, positioning the company strategically in the AI hardware market [4]. - Microsoft has integrated AI tools across its platforms, including Azure and Office, and holds a significant stake in OpenAI, enhancing its growth potential in AI services [6]. - Apple's strong performance in recent iPhone models and stable cash flow has maintained investor confidence, with the company trading at $277.55 per share as of November 26, 2025 [7].