Which of the following is not true? A. Proponents of Efficient Market Hypothesis would be sad to find some strategies that provide superior risk-adjusted returns. B. The fact that professional managers can beat the market contradicts Efficient Market Hypothesis. C. The Cuba and CUBA event supports the theory from Richard H. Thaler. D. None of above. _ or lower by Standard & Poor's are considered speculative grade. Bonds rated _ A. AA B. BB+ C. Bal D. CC