Microsoft's market value recently surpassed 4 trillion dollars, making it the second company after Nvidia to reach this milestone amid rapid AI development. Following strong earnings showing 18% revenue growth, Microsoft saw a significant stock surge. Its Azure cloud revenue exceeded 75 billion dollars in fiscal 2025, marking a 34% increase year-over-year. Nvidia continues to lead as a top tech performer, supporting AI models used by Microsoft and others, while Apple’s market cap has declined.