Inventisbio Co. Ltd. has raised ¥2.084 billion (US$296 million) in an IPO on Shanghai’s STAR Market priced at ¥18.12 per share, though its stock saw a disappointing debut, opening at ¥14 per share on the first trading day July 25 and closing at $15.29, for a drop of 15.6%. The stock closed Aug. 1 at ¥14.42.