U.S. stock-index futures rose on Tuesday after a report showed expansion in Chinese manufacturing, bolstering optimism about coming data on factory activity in the United States.
Shares of Netflix rose in early New York trading after Goldman Sachs upgraded the video-subscription service to buy from neutral; Symantec fell after Bank of Montreal downgraded the security company to market perform from outperform.
"The global picture seems to be better, especially on the China demand story," said Art Hogan, chief market strategist at Wunderlich Securities.
China's official purchasing managers' index for June came in at a six-month high of 51, in line with expectations and up from 50.8 in May.
"Seasonality is in our favor too, oddly enough, July is a good month for us," Hogan added of historical trends that have equities rising more often than not in July.