Inhaltsangabe: Abstract: The title of this thesis might lead the cursory reader to the assumption that this is another one of countless academic works whose authors have overestimated the prospects of the Internet. However, this paper lays claim to be one of the early few that take a more rational approach to the subject by analyzing the realistic profit potential of online business models. Furthermore, future success factors for finance portals will be discussed and their respective value proposition thoroughly examined. Since the fast moving Internet hype has had to give way to an almost...