Jeffrey Ptak

Downgrades would outnumber upgrades with costlier share classes likelier to take a hit.

The Research Affiliates founder thinks "value" is cheap, sees shades of the 2000 tech bubble in today's market, and takes issue with multifactor investing, among other matters.

Don't settle for reassurances. Ask active fund managers to explain how they'll deliver the value they purport to add after fees.

The answer is--almost certainly not. But it never hurts to check.

We’re enhancing the Morningstar Analyst Rating and Morningstar Quantitative Rating to make them even more useful to investors.

The ratings have performed pretty well, but there are opportunities for improvement.

Vanguard's CEO on balancing growth with delivering good client outcomes, the future of advice, and the trend toward "free" products.

The fund loaded-up on private equity and debt, then had to convert into a closed-end fund amid a liquidity crunch.

Our research finds that “hired” funds underperformed “fired” funds in future periods, on average.