CTKB ▲ +0.4% - Cytek Biosciences, Inc. $CTKB - Cytek® Biosciences Highlights the Expanding Role of Spectral Flow Cytometry in Clinical Research at ESCCA and ICCS Cytek Biosciences rose 0.4% today following the company's presentations highlighting spectral flow cytometry applications in clinical research at the ESCCA and ICCS conferences. The modest gain reflects investor interest in the company's technology positioning within the research and clinical diagnostics sector, though the market reaction remained muted. 03-SEP-2026 05:00 PM ET