The Dow Jones Industrial Average capped the worst week since 2011, finishing with a 100-point lurch in the final half-hour of trading, as equities tumbled around the world after crude extended declines below $58 a barrel. Treasuries rose and the dollar fell on concern inflation is slipping, Bloomberg reported. The Dow fell 1.8% in New York and the S&P 500 Index dropped 1.6%.
