U.S. stocks extended declines in the first hour of Tuesday's trading on Wall Street.

The Dow Jones Industrial Average decreased 270.48 to 35,092.35 at 10:25 a.m. ET.

The Standard & Poor's 500 Index weakened 19.44 to 4,515.90.

The NASDAQ Composite Index moved lower 9.03 to 15,356.41.