Group 1 - The article emphasizes the prevalence and deceptive nature of illegal securities and futures activities, which severely harm investors' interests and disrupt capital market order [2][3] - Common illegal activities include illegal stock recommendations, off-market financing, stock market manipulation, and illegal fundraising, highlighting the need for investors to learn prevention techniques [2][3] Group 2 - Illegal stock recommendations are defined as activities where unqualified individuals or organizations provide paid consulting services for securities investment analysis or advice [5] - Common behaviors include online live stock recommendations, social media promotions, and training sessions [6] - Investors are advised to be cautious of unsolicited calls and messages promoting stock services and to avoid transferring funds easily [6][12] Group 3 - Off-market financing refers to activities where unqualified entities lend funds to investors for stock trading, charging interest or fees [9] - Common behaviors include system sub-accounts, account lending, and virtual financing [10] - Investors should only seek financing services from legitimate securities firms and report any fraudulent activities to authorities [11][12] Group 4 - Stock market manipulation involves the dissemination of false or misleading information to influence stock prices for illegal profit [15] - Common behaviors include spreading false information, inciting trades, and exploiting information advantages [15] - Investors, especially retail investors, should avoid blindly following expert opinions and conduct their own analysis [16] Group 5 - Illegal fundraising is defined as raising funds from unspecified individuals without proper regulatory approval, often promising returns [19] - Investors should scrutinize investment products for unrealistic high returns and ensure they understand the underlying projects [20] - It is crucial for investors to assess their understanding of the investment and their risk tolerance before committing funds [20]