The app is used to easily manage your own depot. Your own investments (equities, funds and securities) can be stored with their number. So you can see the value of your depot at any time. Via the update the course can be requested directly from the app. Is set: "https://finance.yahoo.com" Therefore, the short name according to Yahoo is to be used as attachment symbol (for example AMD.DE) The LD Investment application stores the collected data only locally in the protected area of the app. On