Empresas y finanzas
Wall Street opens lower as Greek vote euphoria fades
The Dow Jones industrial average was down 32.09 points, or 0.25 percent, at 12,735.08. The Standard & Poor's 500 Index was down 3.59 points, or 0.27 percent, at 1,339.25. The Nasdaq Composite Index was down 13.79 points, or 0.48 percent, at 2,859.01.
(Reporting By Angela Moon, editing by Dave Zimmerman)