Cyclerion Therapeutics stock jumps in premarket after Medsteer deal — what CYCN investors watch next
NEW YORK, Jan 6, 2026, 08:19 EST — Premarket Cyclerion Therapeutics Inc shares jumped about 46% to around $2.01 in premarket trading on Tuesday after the company announced an expanded strategic collaboration with Medsteer to advance its closed-loop anesthetic platform, CYC-126. Benzinga The move matters because Cyclerion is trying to pair an anesthetic-based approach with a device-and-software system that adjusts…