Telecomunicaciones y tecnología
Nasdaq briefly drops 4 percent in Wall St. slide
The Dow Jones industrial average was down 273.59 points, or 2.75 percent, at 9,681.91. The Standard & Poor's 500 Index was down 33.82 points, or 3.20 percent, at 1,023.07. The Nasdaq Composite Index was down 66.39 points, or 3.56 percent, at 1,796.57.
(Reporting by Ellis Mnyandu; Editing by Kenneth Barry)