In securities trading, the manipulation of market prices to obtain improper benefits is illegal and seriously violates the principles of market fairness, impartiality and transparency. The following are some common market manipulation strategies, which are strictly prohibited in most countries and regions： ### 1. **False trading (Wash Trading)** -**Definition**: Traders, through themselves or in collusion with others, conduct false buying and selling transactions, create the illusion of active market activity, and mislead other investors. -**Purpose**: To manipulate market prices by creating false trading volume or price fluctuations to attract other investors to follow suit. ### 2. **Increase shipments (Pump and Dump)** -**Definition**: Manipulators artificially increase the price of a stock by spreading false or misleading information, and then quickly sell the stock when the price reaches a high level to make a profit. -**Purpose**: By creating market heat, it attracts other investors to chase and buy higher, while manipulators sell at high prices to make a profit. ### 3. **Smashed disk shipment (Bear Raid)** -**Definition**: A manipulator creates a market panic by shorting a stock in large quantities, causing the stock price to fall sharply, and then buys the stock at a low level to close the position and make a profit from it. -**Purpose**: By creating market panic and suppressing stock prices, manipulators buy stocks at low levels to close their positions for profit. ### 4. **Matched Orders (Matched Orders)** -**Definition**: Two or more traders conspire to create false market trading volume or price fluctuations through mutual buying and selling transactions. -**Purpose**: To manipulate market prices by creating false trading activities to mislead other investors. ### 5. **Spreading false information** -**Definition**: Manipulators spread false or misleading information through the media, social networks, or other channels to influence market sentiment and investor decision-making. -**Purpose**: To influence the trend of stock prices and profit from them by creating market panic or fanaticism. ### 6. **Cornering the Market (Cornering the Market)** -**Definition**: A manipulator controls the market supply by buying a certain stock or a certain commodity in large quantities, thereby manipulating prices. -**Purpose**: To control the market supply and drive up prices to make a profit from it. ### 7. **Insider Trading (Insider Trading)** -**Definition**: Use undisclosed material information to conduct securities transactions and obtain improper benefits. -**Purpose**: To obtain illegal profits by using inside information to buy or sell stocks in advance. ### 8. **Manipulate the opening or closing price** -**Definition**: Through a large number of buying and selling transactions, artificially affect the opening or closing price of a stock. -**Purpose**: To influence market sentiment or the settlement price of related derivatives by manipulating prices at key points in time to make a profit. ### Legal consequences The above-mentioned behaviors are strictly prohibited in most countries and regions. Once discovered, the manipulator will face serious legal consequences, including but not limited to： -**Huge fines** -**No entry to the market** -**Criminal liability** -**Civil compensation** ### Conclusion Market manipulation not only harms the interests of other investors, but also destroys the fairness and stability of the market. As investors, they should abide by laws and regulations, uphold the principle of integrity, and jointly maintain a healthy market environment. If you suspect market manipulation, you should report it to the relevant regulatory agencies in a timely manner.