Why Puma Biotechnology, Inc. (PBYI) stock fell 15.6% on Friday, November 6, 2026

Puma Biotechnology, Inc. (PBYI) closed at $8.25, down 15.56% on Friday, November 6, 2026, on volume of 1,279,097 shares (3.8× its 3-month average); market value about $400.0M.

What happened: primary sources

Events Nexqual found for PBYI on Friday, November 6, 2026 or the trading day before (November 5, 2026):

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 PBYI

PBYI stock page: price, SEC financials, insider trades, superinvestor holders, analyst estimates and options. Earnings report: PBYI results, November 5, 2026. Other big moves that day: November 6, 2026.

Sources: SEC EDGAR, Nexqual Earnings Flash, analyst rating changes, Nexqual market data. Built November 10, 2026 at 16:31 UTC. Not investment advice.

Data source: Nexqual. Last updated: November 10, 2026 at 16:31 UTC. This page is informational and not investment advice.

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