Stocks ended lower on Wall Street as another drop in commodities prices pulled down energy and materials stocks.
Cabot Oil & Gas sank 11% Tuesday, and Range Resources fell 9%.
Fitbit, which makes wearable fitness trackers, plunged 21% after releasing a weak forecast, and J.M. Smucker fell 2% after reporting sales that fell short of analysts' forecasts.
The Dow Jones industrial average dropped 188 points, or 1.1%, to 16,431.
The Standard & Poor's 500 index fell 24 points, or 1.3%, to 1,921. The Nasdaq composite gave up 67 points, or 1.5%, to 4,503.
The price of oil sank almost 5% to just under 32 dollars a barrel in New York.