English executive summary only; the full report is in Chinese. State: STRESSED (82%), unchanged, but a new deployment shock occurred when Microsoft reportedly exited Nscale's Loughton lease amid grid delays. No confirmed supplier purchase-order cuts or cross-layer cascade. A separate report suggests potential TSMC involvement in NVHBM base dies, not independently confirmed. Watch site-level GPU purchase-order disposition, actual energized MW, and optics/ASIC margins and cash conversion. Full Chinese text: https://argusx.fun/research/ai-infrastructure/2026-10-19/daily/

## Public sources

- [Reuters | Microsoft pulls out of UK data center deal with Nscale (2026-10-18)](https://www.reuters.com/business/media-telecom/microsoft-pulls-out-uk-data-center-deal-with-nscale-telegraph-reports-2026-10-18/)
- [Nscale | Nscale UK AI infrastructure commitment: Loughton 50 MW / 23,040 GPUs (2025-09-16)](https://www.nscale.com/press-releases/nscale-uk-ai-infrastructure-announcement)
- [Reuters | Samsung to use TSMC technology for Nvidia next-generation HBM, newspaper reports (2026-10-18)](https://www.reuters.com/world/asia-pacific/samsung-use-tsmc-technology-nvidias-next-generation-memory-chips-seoul-newspaper-2026-10-18/)
- [TSMC | Third Quarter 2026 Earnings Press Release (2026-10-15)](https://pr.tsmc.com/japanese/news/3346)
- [Schneider Electric | Third Quarter Revenues 2026 (2026-10-16)](https://www.webdisclosure.com/press-release/schneider-electric-epa-su-third-quarter-revenues-2026-odiihfxJLgs)
- [Bloomberg | Lumentum sold out of optical components through early 2029 (2026-10-09)](https://news.bloomberglaw.com/business-and-practice/nvidia-backed-lumentum-sold-out-of-ai-server-parts-till-2029-1)