Stock futures higher as focus shifts to earnings

Wall Street has gained for three straight days as strong U.S. jobs data and mild inflation numbers helped overshadow an escalation in trade wars after China and the United States last week slapped tariffs on $34 billion worth of each other’s goods. The Dow Jones Industrial Average and the S&P 500 posted their biggest gains in more than a month on Monday. Its shares rose 1.9 percent in premarket trading.