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发表于 2020-8-16 09:02 AM
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foolmelon 发表于 2020-8-16 08:11 AM 
你说SPY不 diversify? 第一次听说啊。 哪本书上说的?
其实房地产是最不能diversify的投资,所以风 ...
真的吗, 你连这个都没听说过?
https://www.investopedia.com/ter ... 20risk%20management,any%20single%20asset%20or%20risk.
What Is Diversification?
Diversification is a risk management strategy that mixes a wide variety of investments within a portfolio. A diversified portfolio contains a mix of distinct asset types and investment vehicles in an attempt at limiting exposure to any single asset or risk. The rationale behind this technique is that a portfolio constructed of different kinds of assets will, on average, yield higher long-term returns and lower the risk of any individual holding or security.
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