If you're interested in testing and banking you can read an article about banking app testing and optimisation at this link https://surf.dev/banking-app-testing/ . As it turns out, it's not that simple and it takes a lot of money and effort to run tests and optimize and secure the service. And also on this site you can order all the above services from a team of professionals who are ready to undertake any project and will do their job qualitatively and on time. Use it!
Enterprise software is expensive and it takes years to develop, that’s why baas was created to help small and medium enterprises easily issue their own debit card. Start your financial solution in Europe today thanks to the Agile BaaS and take over payments with a single click.
I think that if you are planning to invest, then first of all you should find a proven investment platform. Now there are such popular options as Yahoo Finance, but there are also alternative solutions. Find site similar to Yahoo Finance is not that difficult, for example, you can consider Koyfin which provides the most modern and accurate tools.