Our live blog tracked reaction as Wall Street stocks traded lower open amid investors worrying over geopolitical tensions.
Here's what happened.
(App users please click here).
Reaction: Wall Street stocks trade lower as geopolitics worries investors
Related
Reaction: Dollar index holds gains as markets focus on Trump tax plan
Reaction: Dollar and bond yields rise after Trump reveals his tax reform plans
Reaction: Triple digit gains for Dow after strong US jobs data 
Reaction: Markets poised for Fed rate decision
Reaction: Bayer CEO says no risks in the $62B offer
Data also provided by 