# Moderna shares plunge after leak of cancer vaccine data despite positive results

- Source: CNBC
- Published: 2026-10-22T18:49:11+00:00
- Category: Markets
- Original: https://www.cnbc.com/2026/10/22/moderna-stock-cancer-vaccine-data-leak.html
- Canonical: https://groundlevelnews.com/story/moderna-shares-plunge-after-leak-of-cancer-vaccine-data-despite-positi-844cec/

Moderna's stock fell even though the full data, released later Thursday, appeared positive based on Wall Street expectations ahead of the release.

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