Passive investing, particularly in emerging markets, has become an increasingly popular means of quick, “diversified” exposure to a particular segment of the markets. Defensive investors, as Benjamin Graham noted, would be best served owning a diversified list of leading companies. Yet it's...

Over the years, Institute research has shown active managers, even the best-performing ones, suffered periods of weak returns relative to benchmarks and their peers. But underperformance, up to three years, had relatively little impact on the best-performing funds' ability to deliver success...

Passive investing, particularly in emerging markets, has become an increasingly popular means of quick, “diversified” exposure to a particular segment of the markets. Flows into passive emerging market products have been so strong that assets in exchange-traded funds (ETFs) designed to...