Corporate$RCUS1:45 PM ETdeveloping · v2

Arcus Biosciences down over 13%, on track for largest percent drop since December 2025

By BORSA NewsroomPublished Oct 21, 2026, 1:45 PM EDTUpdated Oct 21, 2026, 1:46 PM EDT

RCUS fell 13.16% to $20.62, lowest since March 2026. Largest percent decline since Dec. 12, 2025. No catalyst cited.

Sentimentbearish 20

Strongly bearish · 20 of 100

Impact60

medium · sector-wide

Confidence95%

high confidence · 2 wires

Eventdeveloping

v2 · alerted to followers

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