Training neural network based models using trading related objective functionsTraining neural network based models using trading related objective functions Πλήρης Δημοσίευση σε Συνέδριο Conference Full Paper 2015-11-062007enhttp://creativecommons.org/licenses/by/4.0/3rd Annual Symposium Marinakis Ioannis Μαρινακης Ιωαννης Nikolaos Thomaidis Νικολαος Θωμαιδης Marinaki Magdalini Μαρινακη Μαγδαληνη Dounias, G Neural net computers Neural network computers Neurocomputers neural computers neural net computers neural network computers neurocomputers