Piper Jaffray Upgrades 6 Ag Equipment/Chemical Stocks By: Benzinga via Benzinga November 28, 2016 at 11:22 AM EST Piper Jaffray upgraded six agricultural equipment and input companies in its coverage universe, with the upgrades premised on the ... Read More >> Related Stocks: Agco Corp American Vanguard Corp CNH Industrial N.V. Deere & Co FMC Corp Lindsay Corp