If your portfolio currently consists of common stock in three$$ companies, you could increase your diversification by all of the$$ following, except

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Part $1$

A$.$

selling one of the companies and putting the money in the other two.

B$.$

selling one of the companies and putting the money in a REIT.

C$.$

selling one of the companies and putting the money in a bond.

D$.$

buying another stock.