CTKB ▼ -0.5% - Cytek Biosciences, Inc. $CTKB - Cytek® Biosciences Extends Capabilities Within Cytek Cloud Digital Ecosystem with New Cloud Analysis Tool Cytek Biosciences fell 0.5% today despite announcing an expansion of its Cytek Cloud Digital Ecosystem with a new cloud analysis tool. The stock's modest decline suggests investors may have already priced in incremental product improvements, or the market is awaiting evidence of revenue impact from the enhanced platform capabilities. 23-SEP-2026 05:00 PM ET