Empresas y finanzas
Wall Street tumbles as autos, banks weigh
GM shares fell 25.4 percent to $2.70.
The Dow Jones industrial average dropped 254.16 points, or 3.27 percent, to end unofficially at 7,522.02. The Standard & Poor's 500 Index lost 28.41 points, or 3.48 percent, to 787.53. The Nasdaq Composite Index slid 43.40 points, or 2.81 percent, to 1,501.80.
(Reporting by Rodrigo Campos; Editing by Jan Paschal)