Stox, an online broker that wants to make trading stocks less complicated for new investors, raised an 8 million dollars Series A funding round led by Singulariteam. At the moment, there are some online brokers that target beginning investors, such as Robinhood, which is backed by Andreessen Horowitz, Wealthfront, Betterment etc. The differentiator fact for Stox is the fact that it has a simplified user interface and social features.