Initial claims for U.S. state unemployment benefits saw a less-than-expected correction in the September 14 week, up 15,000 to 309,000, after administrative issues the prior week caused jobless claims to plunge to a seven-year low, the Labor Department reported Thursday.

And while a Labor Department analyst said jobless claims are back to "our normal weekly volume," he added that the computer system conversions/upgrades by California and Nevada in the Sept. 7 week - which meant not all claims were processed - is now impacting continuing claims.

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