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Apenas manchetes de alto sinal - eventos macro, resultados, M&A, regulatório. Listicles e clickbait de analistas filtrados por padrão. Atualizado a cada hora.

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✕ clear all filtersticker: BIIBsentiment: bearishSentiment:bullishneutralbearishshow all (incl. clickbait)
Investing.com29d agobearish
Biogen tumbles 8.7% as breakthrough Alzheimer’s data is clouded by dosing paradox

Investing.com -- Biogen Inc. (NASDAQ:BIIB) shares fell nearly 9% following the Phase 2 CELIA readout of its highly anticipated Alzheimer’s therapy, diranersen. While the drug achieved a major scientific milestone by robustly clearing tau pathology, an unexpected inverse dose response—where the lowest dose performed the best—left Wall Street analysts confused and triggered a sell-off. Diranersen missed its primary endpoint: proving a dose-dependent response on the CDR-SB, a key measure of cogniti