Deere & Co reported a lower third-quarter profit and tightened its annual profit forecast on Thursday, as U.S. tariffs dent margins on its farm equipment, sending the company's shares down six per cent.

Suite alleges Deere violated U.S. antitrust laws by controlling too tightly where and how farmers could repair equipment
Shares up five per cent
Outlook did not account for any impact from potential import tariffs, retaliatory tariffs company says
Executives expressed caution about margin performance amid weakening farm economy