A pedestrian passes a currency exchange in London Jan. 5. The value of the U.S. dollar has risen about 15 percent against the euro since last summer. Andy Rain/EPA/Landov hide caption

itoggle caption Andy Rain/EPA/Landov

House Speaker John Boehner answers questions during a press conference at the U.S. Capitol Wednesday. The House is debating changes to the Affordable Care Act's employer mandate. Win McNamee/Getty Images hide caption

itoggle caption Win McNamee/Getty Images

A New York Stock Exchange trader works on the floor on Dec. 17. Stocks rose nearly 300 points after the Federal Reserve announced it plans to begin raising interest rates next year. Andrew Burton/Getty Images hide caption

itoggle caption Andrew Burton/Getty Images