A trader on the New York Stock Exchange looks at stock rates on 19 October 1987 as stocks were devastated during one of the most frantic days in the exchange's history.  Maria Bastone / AFP
A trader on the New York Stock Exchange looks at stock rates on 19 October 1987 as stocks were devastated during one of the most frantic days in the exchange's history. Maria Bastone / AFP

Is Black Monday about to strike again?