Boeing Shares Plunge as Alaska Airlines Grounds 737 MAX Planes After Emergency Landing
• Boeing loses $12.68 billion in market valuation as investors sell off shares after Alaska Airlines grounds 737 MAX-9 planes
• Decision follows incident where door blew out mid-flight on Alaska Airlines 737 MAX-9, forcing emergency landing
• Incident raises fresh safety concerns over Boeing's 737 MAX series, already under scrutiny over past fatal crashes
• FAA issues order requiring immediate inspections of 171 Boeing 737 MAX-9s globally, focusing on "mid cabin door plug"
• Boeing says it "deeply regrets impact" of incident and supports FAA's call for inspections, as it faces renewed scrutiny