With the development of economics

China's stock market exists gap risk of price manipulation. Related monitoring measures need improvement. This essay researches on 6 real stock price manipulation cases investigated by CSRC (China Securities Regulatory Commission) in 2016. And based on these cases

combined GARCH Model

this essay applies empirical study and summarize general rules. Then this essay finds representative stock characteristics including stock earning ratio

volatility

concentration ratio

mobility and scale as the important observation subjects of Chinese regulators. Besides

based real statistics of current China's stock market

this essay studies and checkouts the mobility characteristics of stock price. According to selected typical characteristics

combined with current institutional system

it also provides corresponding policy suggestions from the aspects of enhancing information disclosure

strengthening investor education

dealing with partition of Stock Right as soon as possible

improving investor construction

strengthening monitoring to account and trade

standardizing the government behavior and perfecting the laws and regulations.