Core Viewpoint - The article highlights the deceptive practices of "stock market black mouths," who masquerade as stock experts to manipulate market behavior and extract illegal profits from unsuspecting investors [3]. Group 1: Definition and Characteristics - "Stock market black mouths" refer to individuals or entities that fabricate and disseminate false or misleading information to influence stock prices or trading volumes, and even manipulate the market for illegal gains [3]. - The typical steps involved in their schemes include: packaging and creating hype, enticing trades, and ultimately cashing out and disappearing [4][5]. Group 2: Behavioral Patterns - The first step involves packaging and creating hype by spreading false information, such as claiming a stock is performing well and urging investors to buy before it's too late [6][8]. - The second step is to entice trades by targeting specific investors with exaggerated claims, such as predicting a stock will secure a massive order and its price will multiply significantly [9][10]. - The final step is to sell off the stocks and disappear, often after convincing investors to heavily invest based on unreliable insider information [12].