12. Because of increasing correlation between U.S. markets and foreign markets, most professional investors now recommend: a. zero exposure to foreign markets for the foreseeable future b. replacing foreign stock exposure with U.S. Treasury bonds c. maintaining some reasonable exposure to foreign markets d. replacing foreign stock exposure with sovereign debt from investment grade countries. 13. Systematic risk is also called: a. diversifiable risk b. market risk c. random risk d. company-specific risk 14.When using the Markowitz model, aggressive investors would select portfolios on the left end of the efficient frontier. a. True b. False