[1]Department of Economics, School of Humanities and Social Sciences, Beijing Institute of Technology, Beijing 100081, China;
[2]Department of Accounting, Business School, University of International Business and Economics, Beijing 100029, China;
[3]Department of Finance, School of International Trade and Economics, University of International Business and Economics, Beijing 100029, China;
中国股票市场; 证券市场; 事故; 手指; 脂肪; 价格波动; 证券公司; 级联理论;