Investors look at Airbus and Boeing as a global duopoly, Jefferies analyst says

A senior Afghan official told NBC News that a passenger plane has crashed in Afghanistan's central Ghazni province. The manufacturer of the plane is unknown, leading to Airbus and Boeing shares taking a hit. Sheila Kahyaoglu, analyst at Jefferies, joins "Squawk Box" to discuss.
Mon, Jan 27 20208:47 AM EST