Cytek Biosciences jumps 11% on SmallCap 600 inclusion

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- Stock in cell analysis company Cytek Biosciences (NASDAQ:CTKB) jumped 10.6% after hours after news that the company would be joining the S&P SmallCap 600 index.
- In the index, Cytek will replace Cardiovascular Systems (CSII), which is set to be acquired by Abbott Laboratories in a deal wrapping soon, pending closing conditions.
- The move is effective prior to the open of trading on Monday, May 1.