Nvidia, Microsoft, and Alphabet Reignite Tech Rally With Sweeping AI Agent Debuts

Three of the world's largest technology companies delivered a burst of investor enthusiasm this week by unveiling major advances in autonomous AI agents, signaling that enterprise demand for artificial intelligence systems remains robust despite lingering doubts about profitability. Nvidia, Microsoft, and Alphabet each made announcements expected to drive adoption of AI in the workplace, addressing a growing shift toward systems that can independently plan and execute tasks rather than simply responding to prompts.