Movers note · 2026-09-18

Up 18.5%: Generac Holdings on the tape — Sep 18, 2026

Generac Holdings gained 18.5%, $10.3B to $12.2B. 2 more moved the same distance the same day.

Same-day note generated from the wafergraph dataset · data as of 2026-09-18 · every figure is computed, none is written by hand

Market-cap moves

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

  1. 1 Generac Holdings +18.5% $10.3B → $12.2B
  2. 2 Vicor +17.7% $8.5B → $10.0B
  3. 3 MetaX Integrated Circuits (Muxi) +16.4% $28.5B → $33.2B

Source: wafergraph live market caps (Yahoo Finance × SEC shares). As of 2026-09-18.

Cite as: wafergraph, “Up 18.5%: Generac Holdings on the tape — Sep 18, 2026”, https://wafergraph.com/notes/2026-09-18/ (data as of 2026-09-18).

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