Telecomunicaciones y tecnología
Wall Street opens higher on economic optimism
McDonald's Corp and Procter & Gamble Co were the top boosts on the Dow after upgrades from Deutsche Bank and Barclays Capital, respectively.
The Dow Jones industrial average gained 64.03 points, or 0.76 percent, to 8,538.88. The Standard & Poor's 500 Index rose 9.52 points, or 1.05 percent, to 917.65. The Nasdaq Composite Index climbed 13.40 points, or 0.77 percent, to 1,747.94.
(Reporting by Chuck Mikolajczak; editing by Jeffrey Benkoe)