股票交易量对公司盈余公告的反应

Respond of Stock Trading Volume to Earning Report

盈余公告是对投资者和信息使用者传递盈利信息的主要会计报告 ,处于财务报告核心地位。文中主要研究股票交易量对上市公司盈余公告的反应 ,进行了交易量反应分析 ,绘出股票交易量在盈余公告日前后的波动曲线 ;并进一步对公司意外盈余和股票的非正常报酬率进行回归分析 ,作出盈余公告日当天两者的关系曲线 ,以验证股票交易量对盈余公告有着显著的反应。它对于减少散户的盲目投资 ,有助于投资者做出合理的市场预测 ,使投资理性化 ,而且还有助于规范上市公司的信息披露行为。

Earning report is a main accounting report that transmits earning information to users. It is the core of financial reports system. Earning information is significant to users' decision making. This paper studies the respond of stock trading volume to earning report and draws the curve of trading volume before and after earning report. This paper further does a regression analysis of accidental earning and abnormal return rate, and draws the relation curve of them on the earning report date to prove stock trading volume does have remarkable respond to earning report. This research is significant to either lessen small investors blindness investment and help them make reasonable forecast to markets and regulate the disclosure of listed companies.