By Will Horner and Paul Vigna U.S. stocks finished mixed Wednesday as investors took a breather with major indexes at or near record highs. The major stock indexes drifted in and out of positive territory all day. OIn the end, the Dow Jones Industrial Average set a new record high, while the S&P 500 and Nasdaq Composite slipped below their record levels. The Dow Jones Industrial Average rose 61.97 points, or 0.2%, to 31437.80, eclipsing the record it set Monday. The S&P 500, which set a record high on Monday, slipped 1.35 points, less than 0.1%, to 3909.88, and the Nasdaq Composite lost 35.16 points, or 0.25%, to 13972.53. The Nasdaq set another record high, its 10th this year, on Tuesday.