BREAKING:  Dow falls 150 points in open as Brexit shock continues

    Opening Bell, March 22, 2016

    Tuesday, 22 Mar 2016 | 9:29 AM ET

    The "Squawk on the Street" crew discuss the attacks in Brussels at the opening bell. Ringing today's opening bell is Argentina-based bank celebrating its 10th anniversary listing on the NYSE Banco Marco S.A., and data center service provider CyrusOne President and CEO Gary Wojtaszek, at the Nasdaq.