List of Articles Tehran Stock Exchange Open Access Article Abstract Page Full-Text 1 - Developing an Appropriate Investment Model in Stock Exchange by DEA Neural Network Approach مصطفی کاظمی محمد اسفندیار حدیث نجاریان Open Access Article Abstract Page Full-Text 2 - Evaluation of Risk and Return and Effect of Stock Transactions Amount on Risk and Return in Food, Pharmaceutical and Chemical Industries to Assess the Rationality of Market Behavior فریدون اوحدی یوسف احدی سرکانی مهدی درویش خضری