Group 1 - The article discusses the risks associated with stock market margin financing and the potential for scams through unregulated platforms [2][3] - Investors are warned about "virtual trading" platforms where trading activities are not genuine, and they may face demands for additional funds [3] - It is advised that investors retain evidence such as transaction records and chat logs if they encounter issues with withdrawal or are blocked by customer service [3] Group 2 - The article highlights a case where an individual was misled by a self-proclaimed investment advisor who promised high returns in exchange for a share of profits [7][8] - Any individual or institution conducting unauthorized investment advisory services is deemed illegal, and claims of guaranteed high returns are considered fraudulent [8] - Investors are encouraged to verify the legitimacy of investment advice and to be cautious of high-risk promises [8] Group 3 - The article describes a scenario involving insider trading tips from a group claiming to have inside information about a company's asset restructuring, which is not credible [10] - Investors are advised to be vigilant against such stock recommendations and to verify the credentials of those providing investment advice [10] Group 4 - A case is presented where an investor was lured into a "pig butchering" scheme through social media, promising high returns from new three-board companies [12][13] - The article outlines the typical tactics used in such scams, including building trust through free stock tips and creating a sense of urgency to invest [13] - Investors are cautioned about the manipulation of stock prices in low-volume markets and the dissemination of false information to entice them into buying at inflated prices [13]