List of Articles Bear Market Open Access Article Abstract Page Full-Text 1 - Comparison of Predicted Tehran Stock Exchange Cycles using ANFIS, MLP, RBF and PNN Networks based on PSO Algorithm farzaneh abdollahian mohammad ebrahim mohammad pourzarandi hasan ghalibafasl Open Access Article Abstract Page Full-Text 2 - Investigating herd behavior in the digital currency market gholamreza askarzadeh amin roohi 10.30486/fbra.2023.1980715.1184 Open Access Article Abstract Page Full-Text 3 - To Forecat the Recession and Prosperity in the Tehran Stock Exchange using Models of MS and NSGA-ANN farzaneh abdollahian Mohammad Ebrahim Mohammad Pourzarandi Mohammad Hasheminejad Mehrzad Minouei