所属栏目:资本市场/资产定价

Diamond Cuts Diamond: News Co-mention Momentum Spillover Prevails in China
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发布日期:2024年02月02日 上次修订日期:2024年02月02日

摘要

We conduct a comprehensive study on momentum spillovers in the Chinese stock market using varioustypes of economic linkages. We find that the news co-mention momentum spillover is signiffcantly strongercompared to other forms of momentum spillovers. Using spanning tests and Fama-MacBeth regressions,we further show that the news co-mention momentum spillover uniffes all different forms of momentum spillover effects in the Chinese stock market. Notably, the analyst co-coverage momentum spillover effect, which is the dominant species in the US stock market, is subsumed by the news co-mention momentum spillover effect in the Chinese stock market. We further explore the differences in the information content of links implied by news co-mentioning and other proxies. We suggest that the dominance of news co-mention momentum spillover over others can be attributed to two primary factors: comprehensive information and prompt updates.
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Shuyi Ge; Shaoran Li; Hanyu Zheng Diamond Cuts Diamond: News Co-mention Momentum Spillover Prevails in China (2024年02月02日) https://www.cfrn.com.cn/lw/15487.html

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