Telecomunicaciones y tecnología
Wall Street opens flat after April run-up
The Dow Jones industrial average dropped 3.50 points, or 0.04 percent, to 8,164.62. The Standard & Poor's 500 Index slid 0.50 points, or 0.06 percent, to 872.31. The Nasdaq Composite Index gained 0.17 points, or 0.01 percent, to 1,717.47.
(Reporting by Chuck Mikolajczak)