CYCN Stock Is Soaring 150% Pre-Market Today — What Is Fueling The Rally?

Cyclerion stated that it has entered into a definitive merger agreement for an all-stock transaction.
Representative image of a trending stock chart.
Representative image of a trending stock chart. (Photo: Getty Images)
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Rounak Jain·Stocktwits
Published Apr 01, 2026   |   7:31 AM EDT
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Cyclerion Therapeutics Inc. (CYCN) shares more than doubled in Wednesday’s pre-market trade, rallying over 150% after the company announced a deal with Korsana Biosciences Inc.

Cyclerion stated that it has entered into a definitive merger agreement for an all-stock transaction. The merged entity will operate under the name Korsana Biosciences Inc., and trade on the Nasdaq under the ticker symbol ‘KRSA’.

Retail sentiment on Stocktwits around Cyclerion Therapeutics trended in the ‘neutral’ territory at the time of writing.

Get updates to this developing story directly on Stocktwits.

Also See: IPM, BCG, HUBC Among Stocks Soaring Before The Bell — Top Pre-Market Gainers Today

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