Bolsa, mercados y cotizaciones
S&P, Nasdaq briefly turn negative after Bernanke
The Dow Jones industrial average was up 41.85 points, or 0.32 percent, at 13,042.56. The Standard & Poor's 500 Index was up 2.43 points, or 0.17 percent, at 1,401.91. The Nasdaq Composite Index was up 0.30 points, or 0.01 percent, at 3,049.02.
(Reporting By Angela Moon, editing by Dave Zimmerman)