Bayer shares fell sharply after the company stopped a late-stage study for a blood-thinning drug early because of lack of efficacy and was told to pay $1.56 billion in a lawsuit relating to its Roundup weedkiller.

Bayer shares fell sharply after the company stopped a late-stage study for a blood-thinning drug early because of lack of efficacy and was told to pay $1.56 billion in a lawsuit relating to its Roundup weedkiller.