Chen, C.-C., Chen, C.-H. and Liu, T.-Y. (2019) “Investment Performance of Machine Learning: Analysis of S&P 500 Index”, International Journal of Economics and Financial Issues, 10(1), pp. 59–66. Available at: https://econjournals.com./index.php/ijefi/article/view/8925 (Accessed: 23 December 2024).