Nvidia achieves an unprecedented $5 trillion market cap on the back of relentless AI chip demand, 90% market dominance, and diversification into infrastructure through investments like Nokia, raising questions about whether this valuation is forward-looking genius or pure bubble pricing. Back-to-back hyperscaler outages—AWS and Azure in one week—expose how three companies control the internet's foundation, with a single DNS failure capable of taking down hospitals, financial systems, and government agencies with no proper failsafes. OpenAI is moving toward a potential $1 trillion IPO as soon as 2026, but the company's path to profitability remains unclear despite astronomical valuations and record adoption, making this one of the riskiest mega-IPOs in history. Nvidia unveils quantum-computing breakthroughs at its GTC conference, including NVQLink and Israeli-developed SuperNICs, suggesting the timeline for practical quantum computers just accelerated from "always fifty years away" to the next 5-10 years.

• https://www.businessinsider.com/nvidia-share-price-record-first-5-trillion-dollar-company-2025-10
• https://www.theverge.com/news/809142/microsoft-azure-xbox-365-is-down-outage
• https://www.reuters.com/business/openai-lays-groundwork-juggernaut-ipo-up-1-trillion-valuation-2025-10-29
• https://finance.yahoo.com/news/nvidia-makes-major-push-quantum-213300998.html