The Dow ended Thursday's session at an all-time high - its second record close in a row - while the S&P 500 dipped as investors paused after a rally in the previous session.
The Nasdaq slipped, pulled lower by tech shares. A rally in Oracle Corp , which jumped following its results, helped limit the Nasdaq's loss.
The Dow Jones industrial average rose 11.11 points or 0.07%, to close unofficially at 16,179.08, a record high. The S&P 500 inched down 1.05 points or 0.06%, to finish unofficially at 1,809.60. The Nasdaq Composite dropped 11.93 points or 0.29%, to end unofficially at 4,058.135.