Group 1 - The article presents a list of frequently followed public accounts related to investment and finance, categorized into different themes such as secondary market, money-making, business, life, and primary market [4][5] - The accounts mentioned for the secondary market include popular platforms like Xueqiu, Topview, and others, indicating a diverse range of sources for market insights [4] - The categorization of accounts is subjective and does not claim to cover all available public accounts on the internet [5] Group 2 - The article emphasizes that the ranking of accounts is not in any particular order and is purely a personal summary without any commercial promotion [4][5]