Which of the following is the definition of portfolio investmentportfolio investment​? A. Purchase of more than 10 % of the shares of a company in another nationPurchase of more than 10% of the shares of a company in another nation. B. Purchase of less than 10 % of the shares of ownership in a company in another nationPurchase of less than 10% of the shares of ownership in a company in another nation. C. Making loans to or buying bonds from a company in another nation. D. Providing management services or consulting advice to a company in another nation.