← Search Journal of Financial Markets 2026 From portfolios to market impact: Understanding heterogeneous retail investors’ trading behavior Yiyi Shen; Xiong Xiong; Shen Lin; Ruoxin Chen Tianjin University DOI10.1016/j.finmar.2026.101086 Pages101086 Languageen Sources crossref openalex Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓