Wirecard’s growth mirrors the success of Adyen NV, a European-based payments startup whose shares have more than doubled since their debut in June. Payments companies are popular with investors because they can profit from the rapid global growth of online commerce and the use of mobile devices for banking -- without having to bear the costs of providing and managing long-term credit to the economy.

https://www.bloomberg.com/news/articles/2018-08-14/meet-the-german-fintech-that-s-now-worth-more-than-deutsche-bank