The Supreme Court ruled federal law preempts Roundup cancer warning lawsuits, sending Bayer AG shares up 20% in a landmark win for the Monsanto acquirer.

The U.S. Supreme Court today ruled Bayer cannot be sued over state-level claims that the company failed to warn the public about cancer risks from its popular weedkiller…

The court ruled against a man who sued Monsanto, alleging its weed killer Roundup caused his cancer.

The Supreme Court ruled Bayer cannot be sued over Roundup cancer warnings approved by the EPA, dealing a major setback to MAHA activists.