The meteoric rise and stunning near-collapse this week of a US hedge fund has sent shockwaves across global markets, becoming a kind of cautionary tale for the AI era.

Shares in AI-related companies have been falling as competition from China, rogue AI agents, complex financing deals and vast capital expenditures stress the markets’ capacity to…

AI stocks fell as leveraged hedge‑fund positions unwound in July, exposing crowded trades and fragile financing behind the sector’s rapid gains.