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Moderna Stock Plunges 25% After Possible Cancer Vaccine Data Leak
The brief posting showed lower recurrence or death risk, but the leak sent Moderna shares down 25% and left investors awaiting the full readout.
- Moderna Inc shares plunged 25% on Thursday following an early leak of late-stage melanoma vaccine data developed in partnership with Merck, revealing elevated expectations built into the stock.
- The personalized vaccine data appeared on a medical news website shortly after midday today and was removed soon afterward, ahead of a scheduled ESMO presentation this weekend.
- Intismeran, the personalized vaccine paired with Merck's immunotherapy Keytruda, reduced melanoma recurrence or death risk by 42% versus Keytruda alone, while ASCO results showed a 49% reduction.
- Moderna stock's 25% drop exposed a 527% year-to-date gain, while BioNTech fell just 2%, isolating the selloff to Moderna's dependence on the melanoma vaccine for growth.
- The full ESMO presentation scheduled for this weekend will determine whether the leaked data's favorable findings justify the stock's valuation, as Moderna views the vaccine as central to its oncology franchise.
Insights by Ground AI
12 Articles
12 Articles
Moderna Tumbles 25% After Apparent Early Leak of Melanoma Vaccine Data; BioNTech Dips, Pfizer Edges Higher
A melanoma vaccine report appeared online, vanished within hours, and sent Moderna shares into a violent 25% freefall despite seemingly positive findings. Now investors are left guessing whether the full ESMO presentation will vindicate the optimism baked into a stock already up over 500% this year.
·Lakewood, United States
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Moderna, Merck Shares Fall After Possible Melanoma Data Leak
Shares of Moderna Inc. and Merck & Co. fell after reports emerged about the results of the companies’ widely anticipated personalized melanoma vaccine, suggesting a possible leak of the data that’s slated to be released this weekend.
·New York, United States
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Coverage Details
Total News Sources12
Leaning Left1Leaning Right1Center4Last UpdatedBias Distribution67% Center
Bias Distribution
- 67% of the sources are Center
67% Center
L 17%
C 67%
R 16%
Factuality
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