The Effect of Corporate Strategies on the Market Response to Earnings Announcements of Listed Companies of Tehran Stock and Exchange

The aim of this study was to evaluate the effect of corporate strategies on the market response to earnings announcements of listed companies of Tehran stock and exchange .The aim of this study was to evaluate the effect of corporate strategies on the market response to earnings announcements of listed companies of Tehran stock and exchange. This study was a descriptive-correlation and an applied research . The statistical l population of research consists of all companies listed in Tehran stock exchange market during 2010 to 2015 that a number of 118 companies were active in this period . Data of research was extracted from financial reports of companies and analyzed by regression models in panel data method . Findings showed that implementing the strategy of differentiation in products has direct effect on the market reaction to earnings announcements . Also the findings showed that increasing the level of cost leadership strategy, the market reaction to earnings announcement will increase.