NG INVESTMENT PERFORMANCE > GHW9: Chapter 18 Evaluating Investment Perfo 50:50 & int x Risk-adjusted mutual fund performance measures have decreased in popularity because in nearly efficient markets, it is extremely difficult for portfolio managers to outperform the in nearly efficient markets, it is extremely difficult for portfolio managers to outperform then measures usually result in negative performance results for the portfolio managers. the high rates of return earned by the mutual funds have made the measures useless. None of the options are correct. the measures usually result in negative performance results for the portfolio managers