Washington (CNN Business) Americans got another positive jobs report on Friday -- but it was full of warning signs that the economy is beginning to stutter.

The US economy added 155,000 jobs in November, the Labor Department reported Friday. That's fewer than expected, but the unemployment rate remained steady at 3.7%.

October's jobs numbers were also revised down slightly, to put the monthly average over the past year at about 204,000 jobs, and the average over the last quarter at 170,000.

The report is a sign of a slowing but still strong labor market — and further support for the idea that the Federal Reserve may hold off hiking interest rates over the next year as quickly or as much as initially planned.

That's reassuring to investors who had been worried that the Fed would move too fast to cool off an already decelerating economy.

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