Boeing shares fell sharply on Monday after of one of its 737 MAX 8 planes crashed in Ethiopia shortly after takeoff, killing all 157 people onboard. Meanwhile, Tesla announced it would cut prices on most of its vehicles by three percent in an effort to control operating costs. And Cheddar senior reporter Alex Heath chats with Margrethe Vestager, European Commissioner for Competition, at South by Southwest about how the EU is reigning in big tech companies.