Dow’s Decline Highlights Index’s Flaws

The SPDR Dow Jones Industrial Average ETF (NYSEArca: DIA), the tracking ETF for the 30-stock blue chip index, was down almost 4.3% this year heading into the start of trading Thursday. That will happen when, according to ConvergEx Group, just one of 30 stocks, Merck (NYSE: MRK), is higher on the...