(CNBC) — U.S. stocks closed higher Wednesday, with materials and industrial stocks leading, as the Dow and S&P neared their 52-week intraday highs touched last summer.
The Dow Jones industrial average closed above the psychologically key 18,000 level for the first time since April 27. UnitedHealth contributed the most to gains.
"Perhaps investors are hoping and seeing opportunities for revenue growth and earnings growth," said Jack Ablin, chief investment officer at BMO Private Bank.
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