Tech drags Wall Street lower; China tension weighs

The stock was the biggest drag on the S&P and the tech sector. The Dow Jones industrial average fell 8.83 points, or 0.04 percent, to 19,843.41, the S&P 500 lost 3.96 points, or 0.18 percent, to 2,258.07 and the Nasdaq Composite dropped 19.69 points, or 0.36 percent, to 5,437.16. The Dow rose for its sixth consecutive week but the S&P 500 and Nasdaq posted slight weekly declines.