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20, food crisis, buy food stocks.10. accelerating scientific and technological innovation,8. At the top of the industry cycle,

16. Environmental problems are outstanding.Sell stocks and buy gold (not gold stocks).Adapted by Grassroots Chen Jinsong: 20 Rules of Stock Trading (2024.10.28+12.13)

And stocks such as gold, precious metals and various assets.12. Policies restrict industries,9. When the population begins to grow,