Telecomunicaciones y tecnología
Wall Street hampered by investor caution
The Dow Jones industrial average added 23.34 points, or 0.29 percent, to 8,148.77. The Standard & Poor's 500 Index edged up 1.67 points, or 0.19 percent, at 866.97. The Nasdaq Composite Index was off 5.65 points, or 0.34 percent, to 1,664.79.
(Reporting by Leah Schnurr; Editing by Theodore d'Afflisio)