In Floor: Markets Erase Gains, Dow Loses 519 Points

Stock volatility continued on Wall Street Wednesday as markets turned their attention once more to the weak global economy. After an impressive rally Tuesday, fears about high levels of public debt in the U.S. and Europe have erased all the gains and then some. There is growing concern that the global economy may be heading toward another painful recession. Despite the U.S. Federal Reserve's assur ...Floor