NEW YORK, Sept 25 (Reuters) - U.S. stocks added to losses, and the Nasdaq fell 1 percent on Friday, with disappointing results from BlackBerry maker Research in Motion Ltd leading technology losses.
The Dow Jones industrial average was down 57.74 points, or 0.59 percent, at 9,649.70. The Standard & Poor's 500 Index was down 8.30 points, or 0.79 percent, at 1,042.48. The Nasdaq Composite Index was down 20.20 points, or 0.96 percent, at 2,087.41, and fell 1 percent at one point.