Merrill Edge, a subsidiary of Bank of America, has a mobile app that links your banking activity and your brokerage account. The optionsXpress platform has been completely integrated, including the well-designed All-in-One trading tool, which is built into mobile apps. The news feeds show streaming news that is based on your portfolio and watchlists, as well as important dates such as earnings and dividends. Fidelity has improved its mobile app in the past couple of years, and while they do have separate apps for research or robo-advisors through Fidelity Go, they are easy-to-use and offer amazing charting tools. If you get too gung-ho when buying stocks , you will likely experience unnecessary losses. To trade, tap on or search for any stock.