Empresas y finanzas
Wall Street opens higher on China stimulus hopes, calm euro zone
The Dow Jones industrial average was up 87.64 points, or 0.70 percent, at 12,542.47. The Standard & Poor's 500 Index was up 9.29 points, or 0.70 percent, at 1,327.11. The Nasdaq Composite Index was up 21.64 points, or 0.76 percent, at 2,859.17.
(Reporting By Angela Moon, editing by Dave Zimmerman)