Livestock and crop markets are in turmoil due to uncertainty surrounding the COVID-19 pandemic even as U.S. shoppers cleared out grocery store shelves last week in a surge of panic buying. 

Hog and cattle futures have plunged more than 20% since mid-January when COVID-19 was confirmed in China. Corn and soybean prices fared slightly better, falling 13% to 14% in the same time...