In real investment, there is a relationship between external financing and abnormal stock returns. This study predicts a negative correlation between external financing and stock returns. The dependent variable of the research is stock returns and the independent variables are net financing and equity ratio. Also, control variables of the research includes assets growth, company’s size and comp...

For many investors, it is important to predict the future trend of abnormal stock returns. Thus, in this research, the abnormal stock returns of the listed companies in Tehran Stock Exchange were tested since 2008- 2017 using three hypotheses. The first and second hypotheses examined the non-linearity and non-randomness of the abnormal stock returns ′ trend around the release date of annual fin...

This study aimed to investigate the effect of fraction resulted of bad news on stock returns emphasizing the regulatory power of information disclosure policies that for this goal, the study population is consisted of the companies listed on the Tehran Stock Exchange during a five years' period (2010-2014). Data of selected statistical sample using systematic elimination method has been collect...

this paper investigates the informational content of abnormal volume trading of shares listed at tehran stock exchange (tse) using an event study methodology. the results for a sample of 48 iranian firms during 1385-1388 show that there are abnormal returns before and after the abnormal trading volume dates. regression analysis also shows that there is a significant relationship between trading...

The global success of the K-pop music industry impacts investment climate entertainment in South Korean stock market. One driving factors attracting investors is awards obtained by idols. Hence, this event study investigates whether idols’ receiving creates abnormal returns (ARs) and cumulative (CARs). We collected five-day price data surrounding events from 2018 to 2019 for four companies. Usi...

This investigation utilized the event study methodology to examine the information effect of announcements on depositary receipt listing and stock reward fluctuation behavior during 1990 to 2006. Empirical evidence demonstrates that listing depositary receipts leads to negative abnormal returns around the recommendation date. Furthermore, the stock market exhibits negative abnormal returns near...

The present research proposes an automatic system based on moving average (MA) and fuzzy logic to recognize technical analysis patterns including head and shoulder patterns, triangle patterns and broadening patterns in the Tehran Stock Exchange. The automatic system was used on 38 indicators of Tehran Stock Exchange within the period 2014-2017 in order to evaluate the effectiveness of technical...