Under intense pressure since part of the fuselage on its 737 MAX plane blew out mid-flight back in January, Boeing has reported its first-quarter results, with revenue falling to $16.5 billion and a cash burn of nearly $4 billion. Yet the figures were still better than feared. The planemaker's board has yet to name a successor to CEO Dave Calhoun, who announced his resignation last month. Plus, the EU launches a probe into China's medical device market, drawing a sharp response from Beijing.