Bolsa, mercados y cotizaciones
Nasdaq index turns negative
The Dow Jones industrial average gained 13.92 points, or 0.11 percent, to 12,234.51. The Standard & Poor's 500 Index added 0.64 point, or 0.05 percent, to 1,314.44. The Nasdaq Composite Index dropped 1.85 points, or 0.07 percent, to 2,741.21.
(Editing by Kenneth Barry)