Stocks traded mixed as the Nasdaq Composite Index breached 4000 for the first time in 13 years but failed to finish above that level.

The Dow Jones Industrial Average edged up 7.77 points, or less than 0.1%, to 16072.54, marking a record high for blue chips and their 42nd record this year. The S&P 500 Index slipped 2.28 points, or 0.1%, to 1802.48. The Nasdaq Composite Index added 2.92 points, or 0.1%, to 3994.57. It rose as high as 4007.09 early in the session.

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