Recent claims that the Barclays U.S. Aggregate Index (the “U.S. Agg”) is now somehow greatly different than it was do not make sense to me. As Vanguard has noted before, investment grade bonds remain a good source of diversification.
Since 1996, the number of U.S. public companies has been cut in half. But Head of Vanguard Investment Strategy Group Jim Rowley explains research data from a graph showing little, if any, impact the decline has on investors.