Why Power Solutions International, Inc. (PSIX) stock fell 7.2% intraday on Monday, November 9, 2026

Power Solutions International, Inc. (PSIX) traded at $36.34 as of 2:31 PM ET, down 7.20% on Monday, November 9, 2026, on volume of 391,874 shares (0.9× its 3-month average); market value about $800.0M.

PSIX 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 PSIX on Monday, November 9, 2026 or the trading day before (November 6, 2026):

• Nov 6, 2026: SEC 8-K: Director or executive officer change, or pay arrangement source
  Quoted from the filing: “(b) On November 3, 2026, Xun (Ken) Li notified the Board of Directors of Power Solutions International, Inc. (the "Company") of his decision to resign as Chief Financial Officer (principal financial officer and principal accounting officer), effective November 27, 2026, to pursue another professional opportunity. Mr. Li's resignation was not the result of any disagreement with the Company.”

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 PSIX

PSIX stock page: price, SEC financials, insider trades, superinvestor holders, analyst estimates and options. Other big moves that day: November 9, 2026.

Sources: SEC EDGAR, Nexqual Earnings Flash, analyst rating changes, Nexqual market data. Built November 10, 2026 at 16:23 UTC. Not investment advice.

Data source: Nexqual. Last updated: November 10, 2026 at 16:23 UTC. This page is informational and not investment advice.

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