Shares in Germany's Bayer plunge on U.S. weed killer ruling

BERLIN -- Shares in Germany's Bayer have plunged after a U.S. jury found the Roundup weed killer was a substantial factor in a California man's cancer -- the second case that has gone against manufacturer Monsanto, acquired by Bayer last year. Bayer AG shares dropped 13 per cent to 60.66 euros ($68.84) in Frankfurt Wednesday. On Tuesday, a federal court jury in San Francisco ruled unanimously in a lawsuit against Monsanto. Attorneys say the trial, which will determine in a second phase whether t