A Portfolio Manager's Ranking Within a Comparison Universe May Not

Multiple Choice

A portfolio manager's ranking within a comparison universe may not provide a good measure of performance because

A) portfolio returns may not be calculated in the same way.
B) portfolio durations can vary across managers.
C) if managers follow a particular style or subgroup, portfolios may not be comparable.
D) portfolio durations can vary across managers and if managers follow a particular style or subgroup, portfolios may not be comparable.
E) All of the options