BRITO, A. D. Instability of returns and liquidity during the Covid-19 pandemic: evidence from the brazilian stock market. Revista de Administração da UFSM, [S. l.], v. 17, n. 2, p. e3, 2024. DOI: 10.5902/1983465984713. Disponível em: https://periodicos.ufsm.br/reaufsm/article/view/84713. Acesso em: 22 dec. 2024.