CTKB ▼ -2.9% - Cytek Biosciences, Inc. $CTKB - Cytek Biosciences to Participate in Upcoming Investor Conferences Cytek Biosciences fell 2.9% today despite announcing plans to participate in upcoming investor conferences, suggesting the market may have been pricing in such appearances or other factors outweighed the news of increased investor engagement. 01-SEP-2026 04:05 PM ET