XIA, Lu. Improving Stock Price Prediction through a Multilayer Perceptron Driven by a Grasshopper Optimization Algorithm: An Analysis of the Hang Seng Index. Informatica, [S. l.], v. 49, n. 22, 2025. DOI: 10.31449/inf.v49i22.9917. Disponível em: https://www.informatica.si/index.php/informatica/article/view/9917. Acesso em: 8 jan. 2026.