# Case of company insiders pushing up stock prices The following are some typical cases and techniques about the participation of company insiders in driving up stock prices.： ## Common operating methods 1. **False information disclosure** -Exaggerate company performance and publish false positive news - Concealment of material risks or negative information -Manipulate financial statements to inflate profits 2. **Insider trading** - Use undisclosed information to buy stocks first -Open a large number of positions before a major announcement -Poor information arbitrage 3. **Related-party transactions** -Improve performance through false transactions by affiliated companies -Use related parties to transfer profits 4. **Market manipulation** -Use controlled accounts to trade with each other to create the illusion of activity -"Reverse" trading to increase trading volume -Tail market lifts stock price ## Typical case 1. ** Enlong Company case**-Management hides debts and exaggerates profits through special purpose entities 2. **21Vianet Case**-Financial Fraud through Fictitious Customers and Income 3. ** Yin Guangsha Case**-Insiders manipulated stock prices through false information disclosure and related-party transactions It should be noted that these actions usually violate securities regulations and may lead to serious legal consequences, including civil compensation, administrative penalties, and criminal liability.