UnitedHealth shares fall after WSJ flags Justice Department investigation. Follow along for live updates on stocks and other markets, including the Dow Jones Industrial Average, S&P 500 and Nasdaq Composite.

Asian shares were mixed Friday after a sharp slide for Walmart helped pull Wall Street off record highs. In Japan, where investors were watching currency swings, the benchmark Nikkei 225 edged up 0.3% in afternoon trading to 38,

U.S. stocks are on pace for a modest weekly gain, but have lagged their global peers since the start of the year.