Firefly Aerospace shares fell 9 per cent in premarket trading on Friday, in what was perceived as a normal market swing, but the space tech firm's robust debut highlighted renewed investor appetite for high-growth listings. After nearly three years of a dryspell in new listings, a resurgence in high-risk sectors such as space, crypto and fintech — fueled by blockbuster entries such as Firefly and Circle — is expected to prompt startups that held back during market turbulence to launch public