Capterpillar says it plans to lay off up to 10,000 workers, with many of those cuts coming in Illinois, amid a slide in equipment orders. Scott Olson/Getty Images hide caption

itoggle caption Scott Olson/Getty Images

The tables are set in the State Dining Room of the White House for Friday's state dinner honoring visiting Chinese President Xi Jinping. Manuel Balce Ceneta/AP hide caption

itoggle caption Manuel Balce Ceneta/AP

A police officer keeps watch outside the Federal Reserve headquarters in Washington, D.C., where policymakers weighed whether to boost interest rates. Kevin Lamarque/Reuters/Landov hide caption

itoggle caption Kevin Lamarque/Reuters/Landov

Federal Reserve Chair Janet Yellen, speaking at a news conference in Washington on Thursday, said the U.S. economy has been performing well but the global outlook is more uncertain. Jacquelyn Martin/AP hide caption

itoggle caption Jacquelyn Martin/AP

Federal Reserve Chair Janet Yellen testifies before the Senate Banking Committee in July. This week, Yellen and other policymakers are weighing the Fed's first rate increase in nine years. Susan Walsh/AP hide caption

itoggle caption Susan Walsh/AP

Federal Reserve Chair Janet Yellen and other policymakers will meet in Washington, D.C., this week to weigh a possible increase in interest rates. Manuel Balce Ceneta/AP hide caption

itoggle caption Manuel Balce Ceneta/AP

Specialist Michael O'Mara on the floor of the New York Stock Exchange on Tuesday. Stocks closed down 200 points after starting the day with a rally. But there's more going on in the economy than the drama on Wall Street. Richard Drew/AP hide caption

itoggle caption Richard Drew/AP