Greeks stand outside of a local school in Athens that served as a voting station. Chris Arnold/NPR hide caption

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Pensioners holding their queue numbers try to enter a bank in Athens. The government ordered about 1,000 bank branches around the country to reopen Wednesday to help desperate pensioners without ATM cards cash up to $134 from their retirement checks. Daniel Ochoa de Olza/AP hide caption

itoggle caption Daniel Ochoa de Olza/AP

Pump jacks and wells work in an oil field on the Monterey Shale formation in California. Economist Michael Porter says that hydraulic fracturing, or fracking, is a "game changer" for the U.S. economy. David McNew/Getty Images hide caption

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Oil pump jacks in Williston, N.D., in December. Oil prices have been on the rise, but some analysts say the global economic slowdown, fracking and the rise of alternative energy will mean less demand and lower prices. Eric Gay/AP hide caption

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As the Nasdaq closes above the record set 15 years ago, stock analysts are debating whether the market is approaching another bubble. Bryan Thomas/Getty Images hide caption

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Labor Secretary Thomas Perez says proposed rules for financial advisers are meant to protect consumers. Nick Ut/AP hide caption

itoggle caption Nick Ut/AP

McDonald's announced this week that it will pay workers in its company-owned stores $1 more per hour than the local minimum wage. Wal-Mart, Target and the parent company of Marshalls and TJ Maxx have also promised to boost wages for their lowest-paid workers this year. Lucy Nicholson/Reuters/Landov hide caption

itoggle caption Lucy Nicholson/Reuters/Landov

Cushing, Okla., is a major oil storage site. Amid record oil production, some analysts worry the U.S. will run out of places to put it all. Daniel Acker/Bloomberg via Getty Images hide caption

itoggle caption Daniel Acker/Bloomberg via Getty Images