Assuming the CAPM holds, if the expected return on a diversified portfolio lies above the CML, should

Question:

Assuming the CAPM holds, if the on a diversified lies above the CML, should an investor buy or sell the Expected Return
The expected return is the profit or loss an investor anticipates on an investment that has known or anticipated rates of return (RoR). It is calculated by multiplying potential outcomes by the chances of them occurring and then totaling these... Portfolio
A portfolio is a grouping of financial assets such as stocks, bonds, commodities, currencies and cash equivalents, as well as their fund counterparts, including mutual, exchange-traded and closed funds. A portfolio can also consist of non-publicly...