“…De Bondt and Thaler, proponents of this strategy, have found a significant advantage in the American stock market. (Ma et al, 2018) found it on the exchanges of several Asian countries, namely China, Hong Kong, Japan, Korea, Malaysia, Singapore, and Taiwan (Chowdhury et al, 2019) found these profits in the Bangladesh market (Reddy et al, 2020) in Shanghai market, and (Truong et al, 2023) in Ho Chi Minh Stock Exchange (HOSE) Vietnam. (Truong et al, 2023) Found the anomaly and, at the same time, also supported the hypothesis that the Vietnam stock market is inefficient in its weak form, so the investors can earn abnormal returns using the contrarian investment strategy.…”