HE, Junyi; WANYAN, Wangzheng; LI, Huandong; ZHU, Chenkai. Investor Sentiment and Tech-Sector Stock Returns: An Empirical Analysis Based on Guba Comment Volume. Finance & Economics, [S. l.], v. 4, n. 5, p. 11052, 2026. Disponível em: https://fe.deanfrancis.press/article/view/1188. Acesso em: 19 oct. 2026.