NEW YORK (Reuters) - The Nasdaq closed at a record on Wednesday, lifted by a climb in large-cap tech and consumer discretionary names, while the Dow and S&P 500 were hemmed in as concerns over an escalation in the U.S.-China trade skirmish simmered.

The Dow Jones Industrial Average fell 42.41 points, or 0.17 percent, to 24,657.8, the S&P 500 gained 4.73 points, or 0.17 percent, to 2,767.32 and the Nasdaq Composite added 55.93 points, or 0.72 percent, to 7,781.52.