U.S. Stock ETFs Trip Toward the Close as Traders Mull Earnings

U.S. equities and stock exchange traded funds started off on the right footing Wednesday as earnings helped prop up gains, but markets still stumbled toward the end of the day. The S&P 500 Index, along with related funds including the SPDR S&P 500 ETF (NYSEArca: SPY), iShares Core S&P...