UPDATE 1-Deere profit tumbles 40 pct, cuts 4th-qtr sales outlook
August 21, 2015 at 08:16 AM EDT
Aug 21 (Reuters) - Deere & Co on Friday reported that third-quarter profit tumbled 40 percent on weak demand for agricultural equipment, overall lower shipment volumes and a stronger dollar, and gave a bleaker forecast for fourth-quarter sales.