Group 1 - The article discusses various investment strategies, including taking profits during high valuations and the benefits of long-term holding [3][4][6] - It highlights that during bull markets, there can be significant gains, typically ranging from 30% to 40% when moving from undervalued to normal and from normal to overvalued [4] - The article emphasizes the importance of patience in long-term holding strategies, especially as bull markets can last 7-10 years [6] Group 2 - It mentions the strategy of relying on dividends as a source of income, particularly in the context of state-owned listed companies in A-shares, where the market capitalization is significantly lower than the total market value [7] - The article references John Bogle's perspective on the effectiveness of a "hold on" strategy when income needs align with dividend income [7]