Paris-based Back Market, an online marketplace for refurbished iPhones and other devices, raises $510M led by Sprints Capital at a $5.7B valuation (Ben Dummett/Wall Street Journal)

Ben Dummett / Wall Street Journal:
Paris-based Back Market, an online marketplace for refurbished iPhones and other devices, raises $510M led by Sprints Capital at a $5.7B valuation  —  Fresh funding for electronics reseller underscores heady market for startups in Europe  —  Back Market, an online marketplace …