You form a portfolio by equally investing in stocks A and B (i.e., investing 50% of your capital in stock A and 50% in stock B). Stock A has a standard deviation of 40%. Stock B has a standard deviation of 60%. The correlation between stocks A and B is -0.2. What is the standard deviation of return on your portfolio?
a) 25.37% b) 32.56% c) 46.18% d) 55.72%
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