Few of us are ever going to become professional researchers, but all of us will find times when research is indispensable to our lives. Whether you’re looking for information about a car’s safety record, a community’s schools, or a company’s stoc

The cement industry is one of the most important and profitable industries in Iran and great content of financial resources are investing in this sector yearly. In this paper a GMDH-type neural network and genetic algorithm is developed for stock