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Moderna’s Stock Tumbles After Data Leak Rumors

Updated 2026-10-22 18:20 UTC 1 source Negative

Moderna's stock is experiencing a significant drop after reports of leaked data for their experimental cancer vaccine. The company and Merck are set to share Phase 3 data at an upcoming medical conference.

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MarketWatch

Moderna’s stock tumbles after reported leak of data for cancer vaccine

Moderna and Merck are expected to share the Phase 3 data for their experimental cancer vaccine this weekend at a medical conference.

2026-10-22 18:10 UTC