 Enfusion Inc. ENFN, 20.15 was well received on its Wall Street debut, as the Chicago-based investment management software companys stock opened 17.6 above its IPO price. The company raised 260.5 million as it sold 15.32 Class A million shares in its initial public offering, which the company said overnight priced at 17 a share, at the top of the expected range of between 15 and 17 a share. 