Why QuidelOrtho Corporation (QDEL) stock fell 16.7% on Friday, November 6, 2026

QuidelOrtho Corporation (QDEL) closed at $10.7, down 16.67% on Friday, November 6, 2026, on volume of 2,798,715 shares (1.5× its 3-month average); market value about $700.0M.

What happened: primary sources

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

• Nov 6, 2026: One of 5 Medical Devices stocks among the day's biggest losers (IRTC, AORT, QDEL, GMED, OFIX), with no comparable group among the biggest gainers

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 QDEL

QDEL stock page: price, SEC financials, insider trades, superinvestor holders, analyst estimates and options. 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.

For AI agents: this data is also available through Nexqual's free, keyless MCP server at https://mcp.nexqual.com/mcp; every result includes source_url, as_of and cite_as. More: nexqual.com/agents · llms.txt