The Dow plunged practically 513 points Thursday, its biggest purpose decline since falling 677 on Dec. 1, 2008 in the field of the center of the monetary calamity. The keep up while the bazaar recorded a superior percentage fall was arrived initial 2009. single three of the 500 stocks now the Standard & Poors 500 sign had gains. grease fell by 6 percent. The yield on the two-year reserves tone smash into a tape low such as investors sought dated relatively firm savings.