Genfleet Therapeutics (Shanghai) Inc. debuted on the Hong Kong Stock Exchange on its second attempt at an IPO, raising HK$1.819 billion (US$234 million). Genfleet’s shares (HKEX:2595) rose to HK$44.00 at the opening bell on Sept. 19 and closed at HK$42.10, about 106% higher than the listing price.