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Intercity mentioning: Stock posts, city network, and firms

Author

Listed:
  • Dong, Dayong
  • Jiang, Danling
  • Peng, Yuelin
  • Shen, Longmin
  • Zhu, Hongquan

Abstract

We analyze online stock posts to identify dynamic intercity investment preferences among Chinese investors. By inferring city connections using recent posts on local stocks mentioning other cities, we find that firms in highly connected cities exhibit higher stock valuations, greater turnover, higher idiosyncratic volatility, improved liquidity, and reduced crash risk. The network effects are more pronounced among less visible firms and induce intercity return comovement. Better stock performances in connected cities predict subsequent local stock return reversals as well as elevated intercity retail block trading. Our findings suggest that city connectivity, revealed through social media content, influences firm outcomes, investor behavior, and market efficiency.

Suggested Citation

  • Dong, Dayong & Jiang, Danling & Peng, Yuelin & Shen, Longmin & Zhu, Hongquan, 2025. "Intercity mentioning: Stock posts, city network, and firms," Journal of Corporate Finance, Elsevier, vol. 93(C).
    • Handle: RePEc:eee:corfin:v:93:y:2025:i:c:s0929119925000719
    DOI: 10.1016/j.jcorpfin.2025.102803
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    Keywords

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    JEL classification:

    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets
    • G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill
    • G40 - Financial Economics - - Behavioral Finance - - - General
    • G41 - Financial Economics - - Behavioral Finance - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making in Financial Markets

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