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A customer signs a credit card statement next to a scanner in a Target store on December 19, 2013 in Miami, Florida.  - 

Is the economy faltering slightly, given those surprisingly weak employment numbers we got Friday?  Some argue part of the problem was the nasty weather last month. 

Holiday hacking has turned out to be worse than we thought. First Target. Now Neiman Marcus

Economists say the Fed's massive balance sheet isn't a concern, thanks to new tools.

Follow David Brancaccio at @DavidBrancaccio