Bolsa, mercados y cotizaciones
Wall Street opens flat after four-day rally
The Dow Jones industrial average rose 3.69 points or 0.02 percent, to 15,998.46, the S&P 500 gained 1.69 points or 0.09 percent, to 1,821.44 and the Nasdaq Composite added 9.508 points or 0.23 percent, to 4,200.553.
(Reporting by Chuck Mikolajczak; Editing by Nick Zieminski)