To protect against fraud, U.S. banks will be issuing credit cards with small computer chips. But some experts say using a PIN to complete a transaction is more secure than a signature. iStockphoto hide caption

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President Vladimir Putin speaks in Moscow on Dec. 23. Russia's current economic crisis stems from Western sanctions and diving oil prices. Maxim Shipenkov/AFP/Getty Images hide caption

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President Obama announces changes to U.S. policy on Cuba, including relaxing restrictions on U.S. banking in the country, in Washington, D.C. on Wednesday. Doug Mills / Pool/EPA/Landov hide caption

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An "Assembled in the USA" stamp is seen at the side of a box containing a 32-inch television set May 29 in the warehouse of Element Electronics, in Winnsboro, S.C. For the phenomenon of "reshoring," or bringing overseas jobs back to the United States, the electronics sector has been a leader. Chris Keane/Reuters/Landov hide caption

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Aerospace giant Lockheed Martin is being sued for choosing retirement funds that shortchanged its employees and charged high fees. Peter Macdiarmid/Getty Images hide caption

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