The outlook for global economic growth got downgraded yet again, this time by economists with the International Monetary Fund's economists. In January, they thought the global economy would grow 3.4 percent this year, but they ratcheted that down to 3.2 percent in the latest version of their World Economic Outlook.
U.S. growth for 2016 got trimmed by the same amount in the report released Tuesday, down to 2.4 percent.
So what's going on? Here are five key factors from the WEO.