The Impact of Market Uncertainty on Earnings Announcements and Stock Price Efficiency

Mehdi Momeni Taheri¹ Hossein Pooran² Behrooz Anesteh³

1) Department of Accounting,‌ CT.C., Islamic Azad University, Tehran, Iran.
2) Department of Accounting,‌ CT.C., Islamic Azad University, Tehran, Iran.
3) Department of Accounting,‌ CT.C., Islamic Azad University, Tehran, Iran.

IOI Code : AAHC-ABZFCD
Publication : National Conference on Management, Commercialization, Knowledge-Based Economy and Investment for Production(impeb.ir)
Abstract :
    The present study examines market uncertainty and the impact of news coverage on earnings and stock price performance. For this purpose; Information 108 listed on the Tehran Stock Exchange for a period of ten years (from the beginning of 2015 to the end of 2024) was extracted, research variables were calculated and the necessary statistical tests were performed. The method of the present study is descriptive-correlational and its design is experimental and uses a post-event approach. In order to test the research hypotheses, multiple linear regression based on combined data has been used using statistical methods. And econometrics examines and tests hypotheses. Research findings; Indicated that market uncertainty over profit announcement; Has a negative and significant effect and market uncertainty on stock price efficiency; It has a negative and significant effect.

Keywords : market uncertainty earnings announcement stock price efficiency