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为研究大股东增持行为下的市场效应变化的情况,本文采集2013年发布大股东增持公告的A股上市公司为样本进行分析。研究结果表明:大股东增持公告发布后,股东会得到超额收益。
In order to study the changes of the market effect under the increase of the majority shareholder, this paper collects the A-share listed companies that issued the announcement of the increase of shareholdings in 2013 for the sample analysis. The result of the research shows that shareholders will get excess returns after the announcement of the announcement of the enlargement of major shareholders.