Telecomunicaciones y tecnología
Optimism about economy, earnings lift Wall St.
The Dow Jones industrial average closed up 131.50 points, or 1.37 percent, at 9,731.25. The Standard & Poor's 500 Index was up 14.26 points, or 1.37 percent, at 1,054.72. The Nasdaq Composite Index gained 35.42 points, or 1.71 percent, to 2,103.57.
(Reporting by Angela Moon, Editing by Leslie Adler)