O. V. D. la Torre-Torres, D. Aguilasocho-Montoya, L. Bollain-Parra, and A. . Durán-Sánchez, “The impact of COVID-19 news and investor sentiment in European stock pricing, a regional, country, and economic sector review ”, Rev. Port. de Estud. Reg., no. 60, pp. 165–177, Jan. 2022.