Monday, September 21, 2026 · 1:04 AM ET
AI Infrastructure
Debt sold by a venture building a data center to be leased by secretive trading firm Jane Street has quickly soured in secondary trading, according to FINRA data — a warning sign for the financing fueling the AI data-center build-out.
AI Infrastructure
Big Tech companies are rapidly expanding their use of guarantees to back debt for AI data centres and chips, issuing up to $300bn in commitments, as Wall Street finds new ways to fund the AI build-out while keeping the exposure off corporate balance sheets.
Markets
A Bloomberg markets analysis warns that stretched, interdependent AI-related valuations and spending have become a fragile 'house of cards,' posing a growing risk to equity markets and the broader US economy.
Markets
Bloomberg's Big Take reports that pension and sovereign wealth funds with billions to deploy are finding the diversification they once relied on has become an illusion, as AI-linked exposure now permeates markets — leaving even the largest investors nervous about concentrated AI risk.
AI Infrastructure
The Information details Nvidia's push to ease the electricity constraints choking AI data centers, from new power-delivery and cooling architectures to system designs aimed at squeezing more compute out of every megawatt as power becomes the key bottleneck for the AI build-out.
Valuation
The FT's Lex argues that a $2 trillion valuation for AI lab Anthropic is defensible under several approaches — with some methods suggesting the Claude maker could be worth even more — as investors weigh its growth against OpenAI's resurgence ahead of a planned IPO.