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Information Transmission Through Rumors in Stock Markets: A New Evidence

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  • Chun-Da Chen
  • Ali M. Kutan

Abstract

The authors provide new evidence of the influence of false rumors based on Taiwan's stock market. The results indicate significant patterns of abnormal returns and trading volumes surrounding the event day and that the rumors seem to be disseminated in the stock market before appearing in newspapers. The results also indicate asymmetry: Investors hearing a positive rumor about a stock may tend to buy the stock, prompting a price run-up until the rumor dies away, while negative rumors usually have greater and longer negative impacts on stock returns than positive rumors do. The presence of a daily price limit is negatively correlated to the size of abnormal returns and abnormal trading volumes on the event day, and the abnormal trading volumes are more sensitive to the price limit surrounding the event day. Finally, firm managers might receive rumor information earlier and then conduct stock trading before the rumor's announcement.

Suggested Citation

  • Chun-Da Chen & Ali M. Kutan, 2016. "Information Transmission Through Rumors in Stock Markets: A New Evidence," Journal of Behavioral Finance, Taylor & Francis Journals, vol. 17(4), pages 365-381, October.
    • Handle: RePEc:taf:hbhfxx:v:17:y:2016:i:4:p:365-381
    DOI: 10.1080/15427560.2016.1238373
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    Citations

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    Cited by:

    1. Monica Martinez-Blasco & Vanessa Serrano & Francesc Prior & Jordi Cuadros, 2023. "Analysis of an event study using the Fama–French five-factor model: teaching approaches including spreadsheets and the R programming language," Financial Innovation, Springer;Southwestern University of Finance and Economics, vol. 9(1), pages 1-34, December.
    2. Brada, Josef C. & Chen, Chunda & Jia, Jingyi & Kutan, Ali M. & Perez, M. Fabricio, 2022. "Value creation and value destruction in investor-state dispute arbitration," Journal of Multinational Financial Management, Elsevier, vol. 63(C).
    3. Donald Lien & Chun-Da Chen, 2020. "B-share discount puzzle in China: a revisit of dual-share firms," Review of Managerial Science, Springer, vol. 14(5), pages 1047-1075, October.
    4. Brada, Josef C. & Chen, Chun-Da & Jia, Jingyi & Kutan, Ali Mustafa, 2020. "Does bilateral investment treaty arbitration have any value for multinational corporations?," BOFIT Discussion Papers 10/2020, Bank of Finland Institute for Emerging Economies (BOFIT).
    5. Li, Qian & Wang, Jiamin & Bao, Liang, 2018. "Do institutions trade ahead of false news? Evidence from an emerging market," Journal of Financial Stability, Elsevier, vol. 36(C), pages 98-113.
    6. Xu, Chao & Zhao, Xiaojun & Wang, Yanwen, 2022. "Causal decomposition on multiple time scales: Evidence from stock price-volume time series," Chaos, Solitons & Fractals, Elsevier, vol. 159(C).
    7. Frederick Davis & Svetlana Davis & Xiaoyang Sha & Thomas Walker, 2022. "The impact of takeover anticipation on rival firms," Journal of Business Finance & Accounting, Wiley Blackwell, vol. 49(7-8), pages 1264-1288, July.

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