Archer-Daniels-Midland plummeted on Thursday after President Donald Trump said that Coca-Cola has agreed to use real cane sugar in its drinks in the U.S.

Shares of corn syrup suppliers Archer Daniels Midland and Ingredion declined after President Trump said Coca-Cola would return to using cane sugar in its namesake soda.

As investors prepped for Coke’s cane-sugar future, corn syrup producers Archer-Daniels-Midland and Ingredion both saw their shares fizzle.

A possible move by Coca-Cola and other beverage and food industries, to use cane sugar instead of corn syrup as a sweetener would be difficult and expensive to implement, while mostly negative for farmers in the United States.

In April this year, ADM agreed to sell its sole ethanol plant in Brazil, ending an eight-year involvement in the country’s market for the alternative fuel made from sugar cane. ADM’s stock has ...

Archer-Daniels-Midland Co., the U.S.'s largest ethanol producer, is preparing to enter the sugar-cane-ethanol business in Brazil, company executives say. Such a move by the grain and ethanol giant ...