point Select the INCORRECT statement from the following statements: A positive investment in a security can be referred to as a long position in the security. The efficient portfolios are those portfolios offering the lowest possible level of volatility for a given level of expected return. A short sale is a transaction in which you buy a stock that you do not own and then agree f3 sell that stock back in the future. It is possible to invest a negative amount in a stock or security, which is called a negative position