Dow ends turbulent day up 567 points

Stocks closed sharply higher on Wall Street after another turbulent day of steep ups and downs.The Dow Jones industrial average gained 567 points, or 2.3 percent, recouping nearly half of the 1,175-point plunge it took the day before.The index of 30 big-name U.S. companies ended up at 24,912.On its way there, the Dow took several harrowing turns during the day, opening with a plunge of 567 points — coincidentally, the exact same amount it wound up gaining at the closing bell.The broader St