Several Silicon Valley entrepreneurs are developing services that manage consumers' investment portfolios with algorithms rather than people. iStockphoto hide caption

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Customers say they will still use their cards at Target, despite the security breach. The company's stock has been down since the news of the hacking. Joe Raedle/Getty Images hide caption

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A customer prepares to sign a credit card slip Thursday at a Target store in Miami. The giant retailer says 40 million payment cards nationwide may have been compromised by data theft. Joe Raedle/Getty Images hide caption

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The U.K., Canada and other countries have been using more secure chip credit cards for years now. Why hasn't the U.S. caught up? Martin Keene/PA Photos/Landov hide caption

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Senate Budget Committee Chairman Patty Murray, D-Wash., and House Budget Committee Chairman Paul Ryan, R-Wis., unveil a budget deal Dec. 10 in Washington. Jonathan Ernst/Reuters/Landov hide caption

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Oregon is still using paper applications to enroll people through the Affordable Care Act. iStockphoto hide caption

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Superlow inflation means workers often don't see big raises and consumers may delay buying, thinking prices will drop some more. Kevork Djansezian/Reuters/Landov hide caption

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