US STOCKS-Dow, S&P 500 open lower on Chevron

NEW YORK, July 10 (Reuters) - The Dow industrials and the S&P 500 opened lower on Friday after Chevron Corp (CVX.N) warned about second-quarter earnings, compounding worries about the energy sector's outlook amid a drop in oil prices.

* The Nasdaq was near breakeven following some strength in shares of big-cap technology companies after Goldman Sachs raised the U.S. hardware sector to "attractive" from "neutral."

* The Dow Jones industrial average .DJI fell 38.54 points, or 0.47 percent, at 8,144.63. The Standard & Poor's 500 Index .SPX was down 4.27 points, or 0.48 percent, at 878.41. The Nasdaq Composite Index .IXIC was up 1.51 points, or 0.09 percent, at 1,754.06. (Reporting by Ellis Mnyandu; editing by Jeffrey Benkoe)