Wall Street opens lower on weak earnings
Dow Jones industrial average was down 72.9 points at 19,898.23
 "Wall Street opens lower on weak earnings")
US stocks opened lower on Tuesday, weighed down disappointing results from a clutch of companies and as investors fretted over President Donald Trump's policies.
The Dow Jones industrial average was down 72.9 points, or 0.37 percent, at 19,898.23, the S&P 500 was down 6.89 points, or 0.302074 percent, at 2,274.01 and the Nasdaq composite was down 22.18 points, or 0.4 percent, at 5,591.53.