@article{bastos_bortolon_maia_2020,  title={Fundamentalist Signals in Volatility Scenarios: Evidence in the Brazilian Stock Market},  volume={17},  ISSN={1808-2386},  url={https://doi.org/10.15728/bbr.2020.17.6.2},  DOI={10.15728/bbr.2020.17.6.2},  number={6},  journal={BBR. Brazilian Business Review},  publisher={Fucape Business School},  author={Bastos, Edson and Bortolon, Patricia and Maia, Vinicius},  year={2020},  month={Nov},  pages={621–639} }