Based on the conventional wisdom in the financial-planning industry and in financial media, you'd think the new world of low-cost exchange-traded funds and index funds is a straightforward win-win for ...

Minutes into the trade, the Dow Jones Industrial Average was up 64.69 points, or 0.14%, to 44,986.96. The S&P 500 fell 10.33 points, or 0.16%, to 6,401.13​, while the Nasdaq Composite dropped 0.46 ...