stocks' such as gamestop. its trading app has been a way into the stock market for many first time private investors. but today the company makes its own debut on the nasdaq stock market. will its own shares prove as popular? samira hussain has more. robinhood's pitch is simple. it wants to democratise finance for us all and it does so through a phone app all and it does so through a phone app which some complain makes buying and selling shares much like playing and selling shares much like playing a video game. certainly the app has proved increasingly popular. at the end of march, it had 18 million active users, 6 million of whom had joined injust the active users, 6 million of whom had joined in just the last three months. but if robinhood's mission to bring the financial markets to everyone is working, it's also causing some chaos. witness gamestop, the chain of video game stores was the scene of one of the great stock market battles of recent