Merck and Moderna announced positive results from a large late-stage trial of their personalized mRNA cancer vaccine, which significantly reduced the recurrence of melanoma, the deadliest form of skin cancer. Madison Muller reports on "Bloomberg Open Interest.

Source: [Bloomberg Markets](https://www.bloomberg.com/news/videos/2026-08-19/merck-moderna-melanoma-vaccine-study-succeeds-video)

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