Bolsa, mercados y cotizaciones
Dow, S&P 500 turn negative
Oil futures declined, pulling shares of major energy companies down as well.
The Dow Jones industrial average was down 2.01 points, or 0.02 percent, at 12,808.53. The Standard & Poor's 500 Index dipped 1.58 points, or 0.12 percent, at 1,362.03. The Nasdaq Composite Index slipped 9.27 points, or 0.32 percent, at 2,864.27.