AI Stocks Skyrocket Globally as $100B Nvidia-OpenAI Deal and Alibaba’s Mega AI Push Ignite Market (Sept 23–24, 2025)
Nvidia said it will invest up to $100 billion in OpenAI and supply advanced chips, driving its shares to record highs and raising antitrust questions. Alibaba’s Hong Kong shares jumped 8% after unveiling a trillion-parameter AI model and pledging over $53 billion in AI spending. U.S. markets paused after recent AI-driven gains, with Nvidia falling 2.8% and the S&P 500 and Nasdaq slipping up to 1%.