Bloomberg.com: Exclusive

Bloomberg.com: Exclusive: "Which approach is best, active or passive investing, is a never-ending debate on Wall Street, where passive indexers such as DFA and Vanguard Group Inc. are the antithesis of celebrity stock pickers. If there's any criticism of indexing, it's that as goes the market, so go the indexes, which can lead to losses unless an investor also invests in active funds to mitigate