Futures on major U.S. indices fell after the weekly jobless claims data came in worse than analyst expectations.
The figure for the week ended January 8 was 445,000, higher than the consensus estimate of 415,000.
At 9:12 a.m. in New York, futures on the S&P 500 Index are down 0.14 percent and those on the Dow Jones Industrial Average fell 0.13 percent.
Earlier, sentiment was boosted by the successful auction of euro zone sovereign debt.
However, there are lingering worries about the U.S. economy as ratings agencies expressed concerns about the country's fiscal situation and two U.S. states have recently unveiled 'austerity' measures.