The number of people filing for initial jobless claims surged 46,000 to 388,000 last week, the U.S. government says.
The previous week the number of initial claims had fallen to a four-year low.
The large swings illustrate just how volatile the data are from week to week, which is why economists often prefer to look at a four-week moving average.
That indicator increased to 365,500 last week and has been hovering in the 360,000 to 380,000 range since July.
Read more at money.cnn.com
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