Bolsa, mercados y cotizaciones
Wall Street rises at open after worst week of year
The Dow Jones industrial average gained 29.71 points, or 0.24 percent, to 12,399.09. The Standard & Poor's 500 Index added 2.73 points, or 0.21 percent, to 1,297.95. The Nasdaq Composite Index climbed 4.26 points, or 0.15 percent, to 2,783.05.
(Reporting By Chuck Mikolajczak, editing by Dave Zimmerman)