US stocks move lower in midday trading as oil's slide weighs on energy stocks

Specialist Peter Giacchi, center, works with traders at a post on the floor of the New York Stock Exchange, Tuesday, Nov. 4, 2014. Stocks edged lower on Tuesday, led by a drop in energy stocks as the price of oil fell to its lowest in four years following reports that Saudi Arabia has cut its prices to the U.S. (AP Photo/Richard Drew) (The Associated Press)

Trader Robert Moran, foreground center, works on the floor of the New York Stock Exchange, Tuesday, Nov. 4, 2014. Stocks edged lower on Tuesday, led by a drop in energy stocks as the price of oil fell to its lowest in four years following reports that Saudi Arabia has cut its prices to the U.S. (AP Photo/Richard Drew) (The Associated Press)

Trader Anthony Riccio, left, and specialist Thomas McArdle, right, work on the floor of the New York Stock Exchange, Tuesday, Nov. 4, 2014. Stocks edged lower on Tuesday, led by a drop in energy stocks as the price of oil fell to its lowest in four years following reports that Saudi Arabia has cut its prices to the U.S. (AP Photo/Richard Drew) (The Associated Press)

Stocks are moving lower midday trading, led by declines in the energy sector as the price of oil continues to fall.

The Standard & Poor's 500 index fell 14 points, or 0.7 percent, to 2,003 as of noon Eastern time Tuesday.

The Dow Jones industrial average fell 50 points, or 0.3 percent, to 17,316. The Nasdaq composite fell 39 points, or 0.9 percent, to 4,599.

Energy stocks fell 2.3 percent, the most of the 10 industries in the S&P 500 index. Halliburton slumped 6 percent.

U.S. crude fell $2.33, or 3 percent, to $76.45 a barrel in New York, the lowest price in three years.

Bond prices rose. The yield on the 10-year Treasury note fell to 2.32 percent.