2026-07-14Bearish
-8.17%24 hours changeBiogen stock fell 8.17% after Phase 2 data for Alzheimer's drug diranersen showed an inverted dose-response anomaly.
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S&P 500
BIIB
Biogen Inc.
latest move
-8.17%
2026-07-14
1 session · 2026-07-14 · avg 8.17% · largest 8.17%
Biogen Inc. is an established multinational biopharmaceutical company specializing in the discovery, development, and delivery of therapies for neurological, neurodegenerative, and rare diseases.