Why Pacific Biosciences of California, Inc. (PACB) stock fell 10.4% intraday on Monday, November 2, 2026

Pacific Biosciences of California, Inc. (PACB) traded at $2.34 as of 3:31 PM ET, down 10.36% on Monday, November 2, 2026, on volume of 7,059,547 shares (0.6× its 3-month average); market value about $700.0M.

PACB 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

Nexqual found no SEC filing, earnings release, analyst rating change or insider trade for PACB on Monday, November 2, 2026 or October 30, 2026. The move may reflect news, sector or market moves, or trading flows that these sources do not capture.

More on PACB

PACB stock page: price, SEC financials, insider trades, superinvestor holders, analyst estimates and options. Other big moves that day: November 2, 2026.

Sources: SEC EDGAR, Nexqual Earnings Flash, analyst rating changes, Nexqual market data. Built November 4, 2026 at 10:45 UTC. Not investment advice.

Data source: Nexqual. Last updated: November 4, 2026 at 10:45 UTC. This page is informational and not investment advice.

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