US stock futures edged higher, leaving Wall Street on course for a fourth consecutive day of gains, with chipmakers expected to lead the rally.
How are stock-index futures trading
On Wednesday, the Dow Jones Industrial Average DJIA rose 70 points, or 0.23%, to 31038, the S&P 500 SPX increased 14 points, or 0.36%, to 3845, and the Nasdaq Composite COMP gained 40 points, or 0.35%, to 11362.
What’s driving markets
Technology…