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Buy stocks of emerging industries and high-tech companies.And stocks such as gold, precious metals and various assets.7. At the bottom of the industry cycle,

Buy baby products, education, infrastructure, real estate, consumer stocks;Sell high-value and high-risk stocks and bubble assets.16. Environmental problems are outstanding.

And stocks such as gold, precious metals and various assets.10. accelerating scientific and technological innovation,8. At the top of the industry cycle,