Movers note · 2026-10-09

Aehr Test Systems's market cap moved -18.6% — Oct 9, 2026

Aehr Test Systems fell 18.6%, $3.5B to $2.9B. 4 more moved the same distance the same day.

Same-day note generated from the wafergraph dataset · data as of 2026-10-09 · every figure is computed, none is written by hand

Market-cap moves

5 companies moved 8.0% or more today against a market cap of at least $1.0B.

  1. 1 Aehr Test Systems -18.6% $3.5B → $2.9B
  2. 2 ITEQ +17.5% $7.8B → $9.2B
  3. 3 SMART Modular Technologies +16.9% $3.1B → $3.7B
  4. 4 Walsin Technology +15.8% $5.5B → $6.4B
  5. 5 ACM Research -15.1% $5.8B → $4.9B

Source: wafergraph live market caps (Yahoo Finance × SEC shares). As of 2026-10-09.

Cite as: wafergraph, “Aehr Test Systems's market cap moved -18.6% — Oct 9, 2026”, https://wafergraph.com/notes/2026-10-09/ (data as of 2026-10-09).

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