USDA Lowers Ratings in Corn & Soybeans. The Corn & Ethanol Report By: TalkMarkets July 07, 2020 at 12:14 PM EDT The USDA dropped their ratings on corn and soybeans. Corns good to excellent dropped to 71% dropping 2% from last week's rating. Read More >> Related Stocks: Teucrium Corn US Natural Gas Fund Ultra Bloomberg Crude Oil 2X ETF