Bolsa, mercados y cotizaciones
Dow, S&P close fourth week of losses
The Dow Jones industrial average gained 38.82 points, or 0.31 percent, to end unofficially at 12,441.58. The Standard & Poor's 500 Index rose 5.41 points, or 0.41 percent, to finish unofficially at 1,331.10.
The Nasdaq Composite Index advanced 13.94 points, or 0.50 percent, to close unofficially at 2,796.86.
(Reporting by Edward Krudy; Editing by Jan Paschal)