Heartflow Stock Breaks Out On 'Outsized' Guidance Boost

Heartflow (HTFL) stock broke out Friday, helped by an "outsized" guidance raise and second-quarter beat. The San Francisco-based company uses artificial intelligence and advanced computer models to help diagnose and manage coronary artery disease. Its methods don't require invasive surgery. During the second quarter, Heartflow notched $64.1 million in sales, growing 48% year over year and beating expectations for $56.6 million.