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Sell the rumour, buy the fact?

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  • Ben R. Marshall
  • Nuttawat Visaltanachoti
  • Genevieve Cooper

Abstract

type="main" xml:lang="en"> We document a high-profile instance of mispricing that is puzzling given the gradual information diffusion hypothesis and the lack of obvious limits to arbitrage. An internet search in 2008 led to a story about United Airlines’ 2002 bankruptcy being re-released as ‘news’. This resulted in United Airlines losing 73 per cent of its value and caused a $4.2 billion decline in the value of airline stocks and United Airlines suppliers. The incorrect bankruptcy ‘news’ was quickly retracted, which led to a rebound in other airline and supplier firms, but the stock price of United Airlines was adversely affected for 4 days.

Suggested Citation

  • Ben R. Marshall & Nuttawat Visaltanachoti & Genevieve Cooper, 2014. "Sell the rumour, buy the fact?," Accounting and Finance, Accounting and Finance Association of Australia and New Zealand, vol. 54(1), pages 237-249, March.
    • Handle: RePEc:bla:acctfi:v:54:y:2014:i:1:p:237-249
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    File URL: http://hdl.handle.net/10.1111/j.1467-629X.2012.00496.x
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    References listed on IDEAS

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    Cited by:

    1. Arcuri, Maria Cristina & Gandolfi, Gino & Russo, Ivan, 2023. "Does fake news impact stock returns? Evidence from US and EU stock markets," Journal of Economics and Business, Elsevier, vol. 125.
    2. Carvalho, Carlos & Klagge, Nicholas & Moench, Emanuel, 2011. "The persistent effects of a false news shock," Journal of Empirical Finance, Elsevier, vol. 18(4), pages 597-615, September.
    3. Cai, Wenwu & Quan, Xiaofeng & Zhu, Zhenmei (Judy), 2023. "Rumors in the sky: Corporate rumors and stock price synchronicity," International Review of Financial Analysis, Elsevier, vol. 88(C).
    4. 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.
    5. Igor Semenenko, 2019. "Rumor Mill and Merger Waves: Analysis of Aggregate Market Activity," Journal of Applied Finance & Banking, SCIENPRESS Ltd, vol. 9(2), pages 1-5.
    6. Ashwin, Julian, 2024. "Financial news media and volatility: Is there more to newspapers than news?," Journal of Financial Markets, Elsevier, vol. 69(C).
    7. Lee, Geul & Ryu, Doojin, 2024. "Investor sentiment or information content? A simple test for investor sentiment proxies," The North American Journal of Economics and Finance, Elsevier, vol. 74(C).

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