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Why is BIIB stock moving?

Biogen Inc. · end-of-day data as of Oct 16, 2026

Biogen Inc.
BIIB · $34.37B
$232.65+15.1%last 60 sessions · close Oct 16, 2026
$142.26$235.3552 weeks
Buy · 37 analystsPT $238.98 +2.7%
  • P/E vs own+81.9%
  • P/E vs sector+46.3%
  • Target upside+2.7%
  • Off 52w high-1.1%
  • Insiders-$240K
  • FCF yield+8.6%
  • Earnings in12d
  • Trendbullish
  • Sector▲ +16.0%
  • RSI61
  • MA20×50—
  • Volume1.2x
  • Support-2.6%
  • Resistance—

The move, split

Biogen Inc. (BIIB) fell 1.1% on Oct 16, 2026.

The market (SPY) fell 1.1%; Healthcare stocks fell 0.7%. Most of the move came from the market as a whole.

Market (SPY)-1.1%
Healthcare sector+0.4%
BIIB specific-0.4%

1 story on the day (30-day average 0.5).

Market = SPY. Sector = equal-weight average of the tracked companies in the same sector, net of the market.

Context

  • News
  • Volume1.2x
  • Off 52w high-1.1%
  • Sector▲ +16.0%
  • Earnings in12d

Latest news

Sentiment classified by AI from the headline (green positive, red negative). Links open the publisher.