Wall Street drifts lower as S&P 500 flirts with its first loss of the week

NEW YORK — U.S. stocks are drifting lower Thursday following a jumble of mixed reports that shed little clarity on how the U.S. economy is managing through President Donald Trump's trade war. The S&P 500 was 0.3% lower in morning trading and potentially on track for its first drop of the week. The Dow Jones Industrial Average was down 139 points, or 0.3%, as of 10:30 a.m. Eastern time, and the Nasdaq composite was 0.8% lower. Treasury yields sank more sharply in the bond market following the reports, with the headliners saying shoppers spent less at U.S. retailers last month…