1. Dymova L, Kaczmarek K, Sevastjanov P (2021) A new approach to the bi-criteria multi-period fuzzy portfolio selection. Knowl-Based Syst 93:107582
2. Li Y, Zheng X, Chen C, Wang J, Xu S (2022) Exponential gradient with momentum for online portfolio selection. Expert Syst Appl 187:115889
3. Zhang Y, Lin H, Yang X, Long W (2021) Long Combining expert weights for online portfolio selection based on the gradient descent algorithm. Knowl-Based Syst 13:107533
4. Singha RA, Chatterjee N (2021) Forecasting of indian stock market using rough set and fuzzy-rough set based models. IETE Techn Rev 4:1–9
5. Wang W, Li W, Zhang N, Liu K (2020) Portfolio formation with preselection using deep learning from long-term financial data. Expert Syst Appl 143:113042