The stock of medical imaging and diagnostics software company Heartflow jumped 50% in its market debut on Aug. 8; the latest sign of red-hot demand for initial public offerings (IPOs). Take advantage of TipRanks Premium at 50% off!

Heartflow, Inc. (NASDAQ:HTFL) successfully raised $316.7 million from its IPO, having sold 16.67 million shares at a price of $19 apiece. The entire shares were offered by the company, with the offering expected to close on Monday, August 11.