Baystreet Staff - Tuesday, April 18, 2017 Cytokinetics (CYTK) Jumps on New Status in Small Cap 600 Cytokinetics, Inc. (NASDAQ: CYTK) shares rose 10% to $12.92. Cytokinetics will replace Cardinal Financial Corp. in the S&P SmallCap 600 on Monday. Share volume was 607,000, compared to an all-day average of 326,000