Bayer AG shares climbed sharply in European trading after the US Supreme Court issued a ruling in favor of the German chemical giant in its long-running legal battle over cancer risks linked to its Roundup herbicide.

The decision marks a significant milestone in a dispute that has spanned decades and involved billions of dollars in potential liabilities.

The market reaction was immediate and positive, with investors rewarding the company for what is being viewed as a pivotal moment in its legal history.

The ruling provides a degree of clarity on the liability framework surrounding glyphosate, potentially limiting the scope of future claims against the company.

This development has helped to alleviate some of the persistent uncertainty that has weighed on the stock for years.

Despite the victory, challenges remain.