Monsanto rejects Bayer's sweetened offer, open to talks

U.S. seed company Monsanto Co turned down a sweetened $64 billion acquisition offer from Bayer AG , but said it was open to further talks with the German healthcare and chemicals group as well as other parties. The widely expected rejection puts pressure on Bayer to sweetens its offer, at least enough to get access to Monsanto's books. Monsanto said on Tuesday its board unanimously viewed Bayer's latest bid as "financially inadequate and insufficient to ensure deal certainty." "Monsanto remains