Midday Brief for Monday, March 18th

WSJ Minute Briefing - A podcast by The Wall Street Journal

Federal prosecutors and the Department of Transportation are investigating the development of Boeing's 737 MAX jetliners. Dutch police are searching for a gunman who killed three people on a tram. Lyft targets its valuation at $21-$23 billion in advance of its expected IPO. J.R. Whalen reports.

Learn more about your ad choices. Visit megaphone.fm/adchoices