Why Materion Corporation (MTRN) stock fell 17.7% on Wednesday, November 4, 2026

Materion Corporation (MTRN) closed at $187.26, down 17.66% on Wednesday, November 4, 2026, on volume of 805,397 shares (3.0× its 3-month average); market value about $3.90B.

What happened: primary sources

Events Nexqual found for MTRN on Wednesday, November 4, 2026 or the trading day before (November 3, 2026):

• Nov 4, 2026: Reported Q3 2026 results: adjusted EPS $1.93 vs consensus $1.89 (beat), revenue $567.3M vs consensus $611.4M (miss). Guidance: Raising full-year adjusted earnings per share guidance to $7.10 – $7.40. source

These are listed as context. A filing or rating change on the same day is not proof that it caused the move; read the source.

More on MTRN

MTRN stock page: price, SEC financials, insider trades, superinvestor holders, analyst estimates and options. Earnings report: MTRN results, November 4, 2026. Other big moves that day: November 4, 2026.

Sources: SEC EDGAR, Nexqual Earnings Flash, analyst rating changes, Nexqual market data. Built November 10, 2026 at 16:46 UTC. Not investment advice.

Data source: Nexqual. Last updated: November 10, 2026 at 16:46 UTC. This page is informational and not investment advice.

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