Airline stocks plunge on warnings of the 'worst year in the history of aviation,' as one of Europe's biggest carriers announces 22,000 layoffs

· Lufthansa announced on Thursday it would slash 22,000 jobs over COVID-19.
· The operator also said it expects 100 fewer aircrafts after the pandemic. 
· Shares in the big four airlines — United Airlines, Delta Airlines, American Airlines and Southwest Airline tanked between 11% and 16%.
· Stock markets dived down...