Americans filed the fewest claims for jobless benefits since 2008, surprising forecasters and signaling that an improving labor market will give the world’s largest economy a boost.

Claims dropped by 13,000 in the week ended Feb. 11 to 348,000, less than the most optimistic estimate of 45 economists surveyed by Bloomberg News. Other reports today showed consumer confidence improved, housing starts climbed and manufacturing in the Philadelphia area accelerated.

Stocks rose on evidence that the U.S. expansion is gaining strength in the face of the European crisis and a slowdown in China. The decline in claims for jobless benefits coincides with a pickup in hiring that pushed the unemployment rate down to a three-year low last month, giving consumers the confidence to increase spending.

“The economy’s wheels just keep spinning faster and faster,” said Chris Rupkey, chief financial economist at Bank of Tokyo-Mitsubishi UFJ Ltd. in New York. He also said payrolls are likely to rise by more than 200,000 for a third straight month in February.

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