An American Airlines Group Inc. Boeing Corp. 737 Max 8 aircraft approaches to land at Miami International Airport (MIA) in Miami, Florida, U.S. (Photographer: Scott McIntyre/Bloomberg)

Boeing Drops as Role in Vetting Its Own Jets Comes Under Fire

(Bloomberg) -- Boeing Co. tumbled early Monday on heightened scrutiny by regulators and prosecutors over whether the approval process for the company’s 737 Max jetliner was flawed.