MercadoLibre's huge Mercado Pago user base could make individual stock trading hard for Argentine brokers to compete with. Retail users already keep money in the app, pay bills, receive salaries and make transfers, so adding shares there could be a game changer even if the brokerage is only good enough; the UX can improve over time. FromValue reports that Marcos Galperin said the feature is due in a few months. x.com x.com