Bolsa, mercados y cotizaciones
Wall St. opens flat; on track for worst week since April
The Dow Jones industrial average fell 8.13 points or 0.05 percent, to 16,906.94, the S&P 500 lost 0.06 point to 1,964.62 and the Nasdaq Composite added 9.08 points or 0.21 percent, to 4,405.29.
(Reporting by Chuck Mikolajczak; Editing by Bernadette Baum)