Listed companies in Tehran Stock Exchange play a considerable role in capital market and country’s economy. Investors in these companies should assess a lot of effective factors on stock. Naturally, this evaluation needs necessary velocity and accuracy. Multiple Attitude Decision Making (MADM), which has described and used in this thesis, helps investor to make it's final decision in a good manner.

In this research, after choosing 244 effective criteria on stock selection in Tehran Stock Exchange, using Likert questionnaire, abstracts transferred to another questionnaire, based on AHP that is one of the MADM techniques, in the formation of external factors, internal factors and investor goals. AHP do comparisons in order to specify weight of each factor. Finally, AHP logic makes optimum decision through combined matrixes. These criteria selected by investment experts in cement industry stock. In order to summarize criteria, used from Factor Analyze technique. This technique helps to choose from specific variables.

Thesis leads to the consequence that the most effective factors on stock selection in Tehran Stock Exchange (limited to cement companies) are profitability, technology control, and economic factors. Furthermore, the most effective criteria in this case are economic policy and regulation, financial ratio related to stock earning, and attention to R&D plans and it’s fulfillment.

Cement Industry, Investment, Effective Factors on Stock Selection, MADM, AHP.