Bolsa, mercados y cotizaciones
Wall Street edges higher at open
The Dow Jones industrial average gained 46.93 points, or 0.37 percent, to 12,678.93. The Standard & Poor's 500 Index gained 6.62 points, or 0.50 percent, to 1,337.28. The Nasdaq Composite Index gained 12.05 points, or 0.42 percent, to 2,905.81.
(Reporting By Edward Krudy, editing by Dave Zimmerman)