Baystreet Staff - Tuesday, July 21, 2015 Lexmark International (LXK) stumbles on layoff notices Lexmark International Inc. (NYSE: LXK) shares stumbled 22.3% to $36.76. The company said Tuesday that it will cut 500 jobs as the printer maker swung to a loss. Share volume was 637,000, compared to an all-day average of 148,000