并列题名：Risk valuation of the stock informed-trading in Chinese securities market Risk valuation of the stock informed-trading in Chinese securities market 并列题名：Analysis on the price-comovement effect in Chinese securities markets Supervision of insider information leakage in Chinese securities market 并列题名：Institutional evolution and efficiency of chinese securities market 并列题名：Research on the development of China's securities market 并列题名：Research on the regulation of insider trading in China's security market 并列题名：An empirical research on liquidity risk of Chinese securities market 并列题名：Application of econometric models in Chinese stock market