Energy companies and banks are leading an early decline on Wall Street as prices for oil and natural gas take another tumble.
Bank stocks are also getting beaten down early Tuesday as investors worry they could suffer fallout if loans to oil and gas companies go bad.
Several stocks were also moving on earnings news, most of them lower. Royal Caribbean sank 9 percent after its revenue missed estimates.
The Dow Jones industrial average dropped 200 points, or 1.2 percent, to 16,252 as of 9:35 a.m. Eastern time.
The Standard & Poor's 500 index lost 21 points, or 1.1 percent, to 1,918. The Nasdaq composite gave up 36 points, or 0.8 percent, to 4,582.
Bond prices rose. The yield on the 10-year Treasury note fell to 1.89 percent.