@article{
  author = {fadaei, Ebrahim, dadashi, iman, zare bahnamiri, Mohammad javad, azinfar, kaveh},
  title = {Predicting negative stock price shocks based on the Meta heuristic approach},
  journal = {Financial Knowledge of Securities Analysis},
  year = {2021},
  volume = {14},
  number = {50},
  pages = {99-108},
  doi = {}
}