Manipulating stock prices based on insider information
Luu Thu Quang
Abstract:Purpose
This paper aims to investigate the trading behavior of insider investors before and after information releases, identifying information-based manipulation in the stock market and the characteristics of companies whose stock prices are manipulated.
Design/methodology/approach
This paper employs logit regression method and an event study approach, utilizing hand-collected data from 2010 to 2022, with information categorized into negative and positive types.
Findings
The results show no evidence of in… Show more
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