CHICAGO, ILLINOIS - MAY 14: Roundup weed killing products are offered for sale at a home improvement store on May 14, 2019 in Chicago, Illinois. A jury yesterday ordered Monsanto, the maker of Roundup, to pay a California couple more than $2 billion in damages after finding that the weed killer had caused their cancer. This is the third jury to find Roundup had caused cancer since Bayer purchased Monsanto about a year ago. Bayer's stock price has fallen more than 40 percent since the takeover. (Photo by Sco ...