Nvidia's CUDA Ecosystem Drives Stock Surge Amid AI Growth

Nvidia's CUDA ecosystem, installed on over 100 million computers, is pivotal for its AI leadership, driving a significant stock surge. With Q4 2026 revenue up by 73% to $68.1 billion, Nvidia forecasts continued growth. Meanwhile, Nebius secures major contracts with Microsoft and Meta, enhancing its revenue prospects. OpenAI proposes a public wealth fund linked to AI profits, advocating for a shift in tax focus from labor to corporate profits. France transitions from Windows to Linux to boost digital sovereignty, while UK regulators assess cyber risks from Anthropic's Claude Mythos Preview.