Dow closes under 18,000 as U.S. stocks slip

U.S. stocks closed with moderate losses Tuesday, pushing the Dow Jones Industrial Average back below 18,000 for the first time in about a week.

The S&P 500 SPX, -0.49% pulled back 10.22 points, or 0.5%, to finish at 2,080.35, a day after scoring its 53rd record close of the year. 

The Dow Jones Industrial Average DJIA, -0.31% shed 55.16 points, or 0.3%, to 17,983.07, undercutting 18,000 after first clearing that mark on Dec. 23.