U.S stock index futures added to gains Monday following data that showed retail sales gained last month and after a benign inflation report from China which suggested scope for further monetary easing measures.
On the economic front, retail sales rose 1.1 percent in September, according to the Commerce Department.
Meanwhile, a gauge of manufacturing in New York state rose to minus 6.16, contracting for the third-straight month, according to the New York Federal Reserve. Economists polled by Reuters had expected a reading of minus 4.55.
European shares were higher after German Finance Minister Wolfgang Schauble said Greece would not default, but warned that if it exited the euro zone it would be damaging for Greece as well as the whole area.
Also boosting sentiment, data out over the weekend showed China's consumer price inflation eased in September, while producer prices dropped from a year earlier. In addition, a separate report showed showed export growth had rebounded to nearly twice the rate expected in September.
On the earnings front, Citigroup posted earnings and revenue that topped analysts' expectations.