This Little-Known Woman Billionaire Built A Fortune Powering Fintech Firms Like SoFi And Webull

<p>Valuations of popular fintech startups like mobile stock trader eToro, robo advisor Betterment, personal finance firm SoFi and online bank Ally Financial have soared under a hot tech market, even during the pandemic. The one thing all these firms have in common: Their back-end trading is handled by Apex Fintech Solutions, which is co-owned by serial entrepreneur and investor, Jenny Just.</p>