Lingering Uncertainties, Coronavirus Concerns Weigh on U.S. Stock ETFs

U.S. markets and stock exchange traded funds were mixed Friday, with tthe S&P 500 and Dow Jones Industrial Average stumbling, as investors refocused on the crippling economic effects of a spreading coronavirus. On Friday, the Invesco QQQ Trust (NASDAQ: QQQ) was up 0.3%, SPDR Dow Jones...