This article was originally published on ETFTrends.com.
The S&P 500 has been among the best-known and most widely used U.S. equity benchmarks for decades. In fact, over $7.8 trillion in equity investments are benchmarked to it. Now, investors who have used the S&P 500 to help build their stock portfolios can make the S&P 500 their principal index for bond investing too. [...]