U.S stock index futures added to losses Thursday, following a tepid weekly jobless claims report and amid ongoing worries over the global economy.
Weekly jobless claims edged down 3,000 last week to a seasonally adjusted 382,000, according to the Labor Department. But the four-week moving average rose 2,000 to 377,750, the fifth-straight weekly increase, hitting the highest level since June.
Manufacturing logged its weakest quarter in three years, according to financial information firm Markit's U.S. "flash" manufacturing PMI index. The index stood at 51.5 in September, unchanged from August. A reading above 50 indicates expansion.
The Philadelphia Fed index, which measures changes in business growth, will be released at 10 a.m. Economists polled by Reuters forecast the decline in new orders slowed in September to -4.0, up from -7.1 in August.
The Conference Board will issue its leading economic indicators index for August at 10 a.m. Economists polled by Reuters predicted a 0.1 percent drop, compared with a 0.4 percent rise in July.
Manufacturing in China contracted for an 11th-straight month in September, according to a private sector survey of factory managers.