【摘要】 以上海股票市场为研究背景,选择相关行业具有代表性的上市公司股票为样本进行研究,在研究期内对样本数据按规则进行筛选,应用统计分析比较的方法,在不同条件下对股票的收益率、累积超额收益率进行比较分析,并具体分析论证引起股票价格异常波动的主要原因,从理论和实际上了解中国股票市场在社会主义市场经济不断发展的过程中,宏观外部因素、上市公司内部因素对股票价格波动的重要影响作用.更多还原

【Abstract】 In the context of Shanghai Stock Market,typical listed stocks were sampled for the relevant industries.The sampled data were screened according to rules,and the returns on investment,cumulative premium returns on the investment of stocks were compared and analyzed under different conditions with the methods of statistical comparisons.The main causes for the fluctuation of prices were discussed.It is theoretically and practically understood that both external and internal factors play critical roles in the fluctuation of stock prices during the continuous development of the socialist market economy in China.更多还原