Multifactor funds, which offer factor diversification neatly packaged in one product, have a rather short but poor track record; these funds have largely underperformed widely-available broad market funds. This article evaluates the performance of multifactor funds relative to two homemade factor...

One of the most important decisions retirees need to make is the asset allocation of their portfolios. They can have a static or a dynamic allocation, and simplicity usually favors the former. Warren Buffett recently added another vote for static allocations by revealing that he had advised a...

Warren Buffett has consistently advised investors to follow a simple approach, diversifying broadly and minimizing costs. In fact, he recommended the trustee that will manage his wife's bequest to stick to a simple 90-10 stock-bond portfolio. Is this a sensible strategy for retirees in general?...

Target-date funds feature asset allocations that become increasingly conservative as investors approach retirement. An important shortcoming of this strategy is that it is suboptimal in terms of capital accumulation, which begs the question of why these funds are so popular. A possible answer is...