Diversification is most effective when security returns are a. high b. negatively correlated c. positively correlated d. uncorrelated

Option B  

Explanation: In simple words, diversification refers to the process of allocating capital in different investments to reduce the overall risk of the investment portfolio.

Therefore, analyst tries to make portfolio in such a way that securities will be negatively correlated. If two securities are negatively correlated then the decrease of one will lead to proportionate increase of others.

This ensures that the investors money will not be depreciated but at the same time the potential for abnormal returns also decreases.

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