Telecomunicaciones y tecnología
Wall Street flat after weak Caterpillar results
The Dow Jones industrial average slipped 14.90 points, or 0.11 percent, to 13,328.61. The Standard & Poor's 500 Index edged down 0.47 point, or 0.03 percent, at 1,432.72. The Nasdaq Composite Index added 2.67 points, or 0.09 percent, to 3,008.29.
(Reporting by Leah Schnurr; Editing by Kenneth Barry)