This Week in the Chain · Oct 18, 2026

This Week in the Chain — Oct 18, 2026

Cipher Mining -33.5%. Since Oct 11, 2026: Hwatsing Technology +13.6%. Nothing above is an estimate. If a number is wrong, the data underneath it is public and you can prove it.

What it touches

A price chart never tells you who is upstream or downstream of a move. Cipher Mining moved the most, but its links are not researched yet, so we drop to the next name down. Here is who Applied Optoelectronics (-31.0%) is connected to.

  1. 1MicrosoftCustomer
  2. 2BroadcomCustomer
  3. 3NVIDIACustomer
  4. 4Arista NetworksCustomer
  5. 5Cisco SystemsCustomer

Top gainers

  1. 1Hwatsing Technology$16.7B → $19.0B+13.6%
  2. 2Pegatron$7.5B → $8.4B+12.0%
  3. 3Piotech$26.9B → $29.0B+7.7%
  4. 4Raydium Semiconductor$560M → $600M+7.1%
  5. 5Novatek Microelectronics$10.2B → $10.9B+7.0%

Top decliners

Here is what actually moved. Since Oct 11, 2026, 405 companies repriced by 1% or more.

  1. 1Cipher Mining (US-listed)$5.6B → $3.7B-33.5%
  2. 2Applied Optoelectronics (US-listed)$9.3B → $6.4B-31.0%
  3. 3indie Semiconductor (US-listed)$600M → $420M-30.0%
  4. 4Ichor Holdings (US-listed)$2.2B → $1.6B-29.5%
  5. 521Vianet (US-listed)$1.6B → $1.1B-29.1%

Chokepoint spotlight

CoreWeave: Largest pure-play GPU cloud (neocloud) renting NVIDIA capacity for AI. One of the most-connected names in its segment, in a standing weekly rotation, not fresh news.

  1. 1MicrosoftDepends on it
  2. 2OpenAIDepends on it
  3. 3Meta PlatformsDepends on it
  4. 4IBMDepends on it

A standing feature that rotates weekly, not news.

Data coverage: 430/615 companies priced; 435 with SEC financials. Market data as of 2026-10-16; report generated 2026-10-18. Every figure is computed from the wafergraph dataset — live market caps are price times SEC share count, nothing smoothed. Supplier and customer links are researched company by company, and only researched links are named. Educational/informational only, not investment advice.

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