"At least a few state labor offices were shut in the prior week so it's almost as if you have two weeks of claims in one," said Ryan Wang, an economist at HSBC Securities USA Inc. in New York. "
Standard & Poor's erased 0.16 per cent to 1,353.33. The Dow Jones Industrial Average lost 0.23 per cent, or 28.57 points, to 12,542.38. The Nasdaq Composite retreated 0.35 per cent to 2,836.94.