Markets & Economy Biogen’s (BIIB) Immunology Bet Meets A Pricier Balance Sheet September 1, 2026 · 11:50 am 2 sources Image: Yahoo Finance ad slot · in-content video 16:9 Coverage More coverageA Rate Move Helps One Half of a Bank's Balance Sheet and Hurts the Other. Here's What It Does to the Stock.Yahoo Finance · September 1, 2026 11:50Biogen’s (BIIB) Immunology Bet Meets A Pricier Balance SheetYahoo Finance · September 2, 2026 07:48