Which statement about portfolio diversification is correct?______.A.Proper diversification
Which statement about portfolio diversification is correct?______.
A.Proper diversification can reduce or eliminate systematic risk.
B.As more securities are added to a portfolio, total risk typically would be expected to fall at a decreasing rate.
C.The risk-reducing benefits of diversification do not occur meaningfully until at least 30 individual securities are included in the portfolio.
D.Diversification reduces the portfolio's expected return because it reduces a portfolio's total risk.