Granting credits to commercial customers is one of the central activities of a bank. Avoiding incorrect credit decisions and minimizing the required effort are crucial factors for the economic success of a bank. The basic task of credit granting is a correct valuation of the customer, which includes the analysis of his(her) annual account and the estimations of the customer's solvency. The bank...

The stock selection problem is one of the major issues in the investment industry, which is mainly solved by analyzing financial ratios. However, considering the complexity and imprecise patterns of the stock market, obvious and easy-to-understand investment rules, based on fundamental analysis, are difficult to obtain. Fundamental and technical analyses are two common methods for predicting th...