Thirty years ago today, 'Black Monday' dragged Wall Street into the abyss
The stock market crash known as "Black Monday" occurred on October 19, 1987 and was the worst trading day in U.S. history.
The euro climbed to the highest in nearly a week on Thursday as U.S. Treasury yields fell.
Canada's main stock index clawed its way into positive territory on Thursday as modest gains in the influential financial group helped offset see-sawing energy and materials stocks.
World stocks set a fresh record high before stalling in Europe on Thursday, as the longest winning streak for Japanese stocks since 1998 and the first close above 23,000 for Wall Street's Dow index helped to offset nerves in Spain.