Hui, Eddie C. M., and Ka Kwan Kevin Chan. “Optimal Trading Strategy During Bull and Bear Markets for Hong Kong-Listed Stocks”. International Journal of Strategic Property Management 22, no. 5 (September 24, 2018): 381-402. Accessed April 19, 2024. https://journals.vilniustech.lt/index.php/IJSPM/article/view/5222.