Now, its Cash app offers services like check depositing, peer-to-peer transfers and bank transfers —and reportedly, the company is looking into adding a stock trading service. Bloomberg reports that the company is already testing the feature with employees and has created a video for internal use. Bloomberg reports that the company is already testing the feature with employees and has created a video for internal use.Such a trading app, would put the company in direct competition with the startup Robinhood and other trading apps.