每日钉一下（买股票的钱，是给上市公司了吗？）

Group 1 - The article emphasizes that funds are very suitable investment products for ordinary people [2] - It suggests that there is a free course available to help novice investors understand fund investment from scratch [2] - The course includes notes and mind maps to facilitate efficient learning [2] Group 2 - The article clarifies that when individuals buy stocks, the money does not go directly to the listed company [6] - It explains that companies only receive funds during financing events such as IPOs or bond issuances [6] - The distinction between primary and secondary markets is made, comparing stock trading to buying new versus second-hand houses [8]