Why Allegro MicroSystems, Inc. (ALGM) stock fell 8.2% on Thursday, October 29, 2026

Allegro MicroSystems, Inc. (ALGM) traded at $32.47 as of 11:31 AM ET, down 8.20% on Thursday, October 29, 2026, on volume of 2,025,206 shares (0.8× its 3-month average); market value about $6.10B.

What happened: primary sources

Events Nexqual found for ALGM on Thursday, October 29, 2026 or the trading day before (October 28, 2026):

• Oct 29, 2026: Reported Q2 2027 results: adjusted EPS $0.26 vs consensus $0.24 (beat), revenue $276.9M vs consensus $270.9M (beat). Guidance: For Q3 2027, the company expects net sales of $278 million to $288 million and diluted EPS of $0.25 to $0.29. 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 ALGM

ALGM stock page: price, SEC financials, insider trades, superinvestor holders, analyst estimates and options. Other big moves that day: October 29, 2026.

Sources: SEC EDGAR, Nexqual Earnings Flash, analyst rating changes, Nexqual market data. Built October 29, 2026 at 16:11 UTC. Not investment advice.

Data source: Nexqual. Last updated: October 29, 2026 at 16:11 UTC. This page is informational and not investment advice.

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