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The Effect of Twitter Messages and Tone on Stock Return: The Case of Saudi Stock Market “Tadawul”

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  • Mohammed S. Albarrak

    (Finance Department, School of Business. King Faisal University, Al-Ahsa 31982, Saudi Arabia)

Abstract

This research aims to examine whether corporate Twitter messages and tone have an effect on corporate stock return (RET) for the Saudi Stock Exchange “Tadawul”. The study also investigates whether the association differs across large- and small-sized firms. We used a sample of 11,099 firm-daily observations for non-financial firms that were traded on the Saudi Stock Exchange “Tadawul” across the period 1 April 2020 to 31 December 2020. Using panel ordinary least square (OLS) and two-stage least square (2SLS), we found that corporate Twitter (currently renamed ‘X’) messages is positively and significantly associated with stock return (RET). The findings also suggest that the message tone increases the stock returns. Furthermore, our results show different effects of Twitter messages and tone on stock return across small- and large-sized firms. In addition, our findings show that Twitter tone is positively associated with RET when the firm is large in size. However, when the firm is small, Twitter messages has a stronger effect on RET. Our findings provide policy implications for regulators and investors. Regulators might monitor the information in accurate ways. Also, investors might start to show interest in Twitter channels to follow the firm’s news.

Suggested Citation

  • Mohammed S. Albarrak, 2024. "The Effect of Twitter Messages and Tone on Stock Return: The Case of Saudi Stock Market “Tadawul”," JRFM, MDPI, vol. 17(9), pages 1-12, September.
    • Handle: RePEc:gam:jjrfmx:v:17:y:2024:i:9:p:405-:d:1474295
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    References listed on IDEAS

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    1. Liu, Sha & Han, Jingguang, 2020. "Media tone and expected stock returns," International Review of Financial Analysis, Elsevier, vol. 70(C).
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