U.S. stock index futures were in negative territory Thursday as investors digested the latest round of corporate earnings and after a report that showed jobless claims ticked higher last week.
General Motors jumped after the automaker beat earnings expectations, helped by strong demand in North America and cost cutting in Europe.
Facebook surged after the social-networking giant posted stellar quarterly results.
Dow component 3M edged past earnings expectations and posted revenue that met forecasts.
Crocs plunged after the footwear manufacturer posted quarterly results that fell short of expectations and handed in current-quarter outlook that sharply missed expectations.
As of Wednesday, 34 percent of S&P 500 companies had reported earnings. So far, 66 percent of the companies have beaten earnings estimates, but 47 percent have missed revenue estimates, according to data from Thomson Reuters.
On the economic front, weekly jobless claims increased by 7,000 to a seasonally adjusted 343,000, according to the Labor Department. Economists had expected a reading of 340,000 last week. Still, the four-week average of new claims dipped 1,250 from a week earlier.
And durable goods orders gained more than expected, with non-defense capital goods orders excluding aircraft rising 0.7 percent in June, according to the Commerce Department, edging past expectations for an increase of 0.5 percent.