U.S. Stock ETFs Mixed as Energy Weighs, Markets Digest Recent Bounce

U.S. equities and stock exchange traded funds were relatively flat Monday as energy sector weakness and ongoing unease over tensions between the U.S. and North Korea keep pressure on markets. The S&P 500 Index, along with related funds including the SPDR S&P 500 ETF (NYSEARCA: SPY), iShares...