REGN · Analysis updated Oct 30, 2026, 10:45 AM ET

Why is Regeneron Pharmaceuticals, Inc. (REGN) stock moving?

Regeneron's profit came in about 25% above forecasts. The stock jumped about 12% to its highest level since 2024 while most of the market fell. Even after the jump, it costs less per dollar of expected profit than its main biotech peers.

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