According to Sawyer Merritt on Twitter, the world's most valuable companies are now overwhelmingly led by AI and semiconductor giants, with Nvidia securing the top spot at a $4.5 trillion valuation, followed closely by Alphabet and Apple. This ranking highlights the significant impact of AI-driven innovation and advanced chip technologies on global market capitalization, as reported by Sawyer Merritt. Companies like Nvidia, Alphabet, Microsoft, and TSMC are leveraging breakthroughs in machine learning and semiconductor manufacturing, creating new business opportunities and setting industry benchmarks for growth. The prominence of these firms underscores the accelerating demand for AI infrastructure and the strategic importance of AI technologies in shaping the future of global business.