Coinspeaker ZI Stock Jumped 90% on First Trade after ZoomInfo Priced IPO at $21 a ShareZoomInfo Technology (ZI) shares surged around 90% on its first trade after the IPO held on Wednesday. Having closed yesterday with a 61.90% increase to trade at $34, the stock is around 6% up now.ZI Stock Jumped 90% on First Trade after ZoomInfo Priced IPO at $21 a Share