Cytek Biosciences, Inc. (CTKB:NASDAQ) closed at $5.43 on October 22, 2026, down 1.27% on the day. The stock trades 12.6% below its 52-week high of $6.21 and 64.0% above its 52-week low of $3.31. Over the past year, it gained 30.5%. Cytek Biosciences, Inc. is part of the Health Care sector.
In 252 trading sessions since October 22, 2025, CTKB closed higher on 130 days (52%). Its best day was November 14, 2025 (+20.35%) and its worst was October 6, 2026 (-11.66%). The stock moved 10% or more in a single session 6 times. It opened at least 5% above the previous day's high 2 times.
Cytek Biosciences Inc is a cell analysis solutions company advancing the next generation of cell analysis tools by leveraging novel technical approaches. Its core instruments, the Aurora and Northern Lights systems, are the first full spectrum flow cytometers able to deliver high-resolution, high-content, and high-sensitivity cell analysis by utilizing the full spectrum of fluorescence signatures from multiple lasers to distinguish fluorescent tags on single cells.
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