U.S. stocks ended mixed, with the Dow eking out a small, 0.07% gain to close at a record, while the S&P 500 retreated 0.6% and the Nasdaq gave up 1.6%, taking a hit from big tech names.

U.S. stocks ended mixed, with the Dow eking out a small, 0.07% gain to close at a record, while the S&P 500 retreated 0.6% and the Nasdaq gave up 1.6%, taking a hit from big tech names.