Although it is impossible to eliminate all risks. It can be adjusted according to the individual's specific investment goals. Diversified investment portfolios and asset allocation are inseparable.

Under normal circumstances, maximizing returns also involves time frame, risk tolerance, and macroeconomic conditions.

The trends of diversified asset classes are often different. Following market conditions, a certain asset may underperform another asset class if it performs well.

I don't think it is necessary to choose different opposing categories in order to achieve diversified portfolio investment, as that may produce poor results.