The S&P 500 is up 2.9% this year. That is not much better than 2.5% returned by the Vanguard Total Bond Market ETF (NYSEArca: BND), the largest bond ETF and that performance by the S&P 500 lags the almost 3.3% year-to-date gain offered by the PIMCO Total Return ETF (NYSEArca: BOND). Plenty...