Why Astera Labs, Inc. (ALAB) stock rose 7.2% intraday on Tuesday, November 3, 2026

Astera Labs, Inc. (ALAB) traded at $246.11 as of 9:51 AM ET, up 7.16% on Tuesday, November 3, 2026, on volume of 550,741 shares (0.1× its 3-month average); market value about $42.70B.

ALAB was among the stocks moving 5% or more in an earlier update that day; by the close it was no longer moving that much.

What happened: primary sources

Events Nexqual found for ALAB on Tuesday, November 3, 2026 or the trading day before (November 2, 2026):

• Nov 3, 2026: One of 4 Semiconductors stocks among the day's biggest gainers (LSCC, NVTS, POET, ALAB), with no comparable group among the biggest losers

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 ALAB

ALAB stock page: price, SEC financials, insider trades, superinvestor holders, analyst estimates and options. Other big moves that day: November 3, 2026.

Sources: SEC EDGAR, Nexqual Earnings Flash, analyst rating changes, Nexqual market data. Built November 4, 2026 at 08:08 UTC. Not investment advice.

Data source: Nexqual. Last updated: November 4, 2026 at 08:08 UTC. This page is informational and not investment advice.

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